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-rw-r--r--gr-analog/CMakeLists.txt14
-rw-r--r--gr-analog/docs/CMakeLists.txt14
-rw-r--r--gr-analog/examples/CMakeLists.txt14
-rw-r--r--gr-analog/examples/fm_demod.py14
-rw-r--r--gr-analog/examples/fmtest.py14
-rw-r--r--gr-analog/examples/tags/CMakeLists.txt14
-rw-r--r--gr-analog/examples/tags/uhd_burst_detector.py14
-rw-r--r--gr-analog/grc/CMakeLists.txt14
-rw-r--r--gr-analog/include/gnuradio/analog/CMakeLists.txt14
-rw-r--r--gr-analog/include/gnuradio/analog/agc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/agc2.h14
-rw-r--r--gr-analog/include/gnuradio/analog/agc2_cc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/agc2_ff.h14
-rw-r--r--gr-analog/include/gnuradio/analog/agc3_cc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/agc_cc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/agc_ff.h14
-rw-r--r--gr-analog/include/gnuradio/analog/api.h14
-rw-r--r--gr-analog/include/gnuradio/analog/cpfsk_bc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/cpm.h14
-rw-r--r--gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h14
-rw-r--r--gr-analog/include/gnuradio/analog/dpll_bb.h14
-rw-r--r--gr-analog/include/gnuradio/analog/fastnoise_source.h14
-rw-r--r--gr-analog/include/gnuradio/analog/feedforward_agc_cc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/fmdet_cf.h14
-rw-r--r--gr-analog/include/gnuradio/analog/frequency_modulator_fc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/noise_source.h14
-rw-r--r--gr-analog/include/gnuradio/analog/noise_type.h14
-rw-r--r--gr-analog/include/gnuradio/analog/phase_modulator_fc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/pll_carriertracking_cc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/pll_freqdet_cf.h14
-rw-r--r--gr-analog/include/gnuradio/analog/pll_refout_cc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_c.h14
-rw-r--r--gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_cf.h14
-rw-r--r--gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_f.h14
-rw-r--r--gr-analog/include/gnuradio/analog/pwr_squelch_cc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/pwr_squelch_ff.h14
-rw-r--r--gr-analog/include/gnuradio/analog/quadrature_demod_cf.h14
-rw-r--r--gr-analog/include/gnuradio/analog/rail_ff.h14
-rw-r--r--gr-analog/include/gnuradio/analog/random_uniform_source.h14
-rw-r--r--gr-analog/include/gnuradio/analog/sig_source.h14
-rw-r--r--gr-analog/include/gnuradio/analog/sig_source_waveform.h14
-rw-r--r--gr-analog/include/gnuradio/analog/simple_squelch_cc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/squelch_base_cc.h14
-rw-r--r--gr-analog/include/gnuradio/analog/squelch_base_ff.h14
-rw-r--r--gr-analog/lib/CMakeLists.txt14
-rw-r--r--gr-analog/lib/agc2_cc_impl.cc14
-rw-r--r--gr-analog/lib/agc2_cc_impl.h14
-rw-r--r--gr-analog/lib/agc2_ff_impl.cc14
-rw-r--r--gr-analog/lib/agc2_ff_impl.h14
-rw-r--r--gr-analog/lib/agc3_cc_impl.cc14
-rw-r--r--gr-analog/lib/agc3_cc_impl.h14
-rw-r--r--gr-analog/lib/agc_cc_impl.cc14
-rw-r--r--gr-analog/lib/agc_cc_impl.h14
-rw-r--r--gr-analog/lib/agc_ff_impl.cc14
-rw-r--r--gr-analog/lib/agc_ff_impl.h14
-rw-r--r--gr-analog/lib/cpfsk_bc_impl.cc14
-rw-r--r--gr-analog/lib/cpfsk_bc_impl.h14
-rw-r--r--gr-analog/lib/cpm.cc14
-rw-r--r--gr-analog/lib/ctcss_squelch_ff_impl.cc14
-rw-r--r--gr-analog/lib/ctcss_squelch_ff_impl.h14
-rw-r--r--gr-analog/lib/dpll_bb_impl.cc14
-rw-r--r--gr-analog/lib/dpll_bb_impl.h14
-rw-r--r--gr-analog/lib/fastnoise_source_impl.cc14
-rw-r--r--gr-analog/lib/fastnoise_source_impl.h14
-rw-r--r--gr-analog/lib/feedforward_agc_cc_impl.cc14
-rw-r--r--gr-analog/lib/feedforward_agc_cc_impl.h14
-rw-r--r--gr-analog/lib/fmdet_cf_impl.cc14
-rw-r--r--gr-analog/lib/fmdet_cf_impl.h14
-rw-r--r--gr-analog/lib/frequency_modulator_fc_impl.cc14
-rw-r--r--gr-analog/lib/frequency_modulator_fc_impl.h14
-rw-r--r--gr-analog/lib/gnuradio-analog.rc.in14
-rw-r--r--gr-analog/lib/noise_source_impl.cc14
-rw-r--r--gr-analog/lib/noise_source_impl.h14
-rw-r--r--gr-analog/lib/phase_modulator_fc_impl.cc14
-rw-r--r--gr-analog/lib/phase_modulator_fc_impl.h14
-rw-r--r--gr-analog/lib/pll_carriertracking_cc_impl.cc14
-rw-r--r--gr-analog/lib/pll_carriertracking_cc_impl.h14
-rw-r--r--gr-analog/lib/pll_freqdet_cf_impl.cc14
-rw-r--r--gr-analog/lib/pll_freqdet_cf_impl.h14
-rw-r--r--gr-analog/lib/pll_refout_cc_impl.cc14
-rw-r--r--gr-analog/lib/pll_refout_cc_impl.h14
-rw-r--r--gr-analog/lib/probe_avg_mag_sqrd_c_impl.cc14
-rw-r--r--gr-analog/lib/probe_avg_mag_sqrd_c_impl.h14
-rw-r--r--gr-analog/lib/probe_avg_mag_sqrd_cf_impl.cc14
-rw-r--r--gr-analog/lib/probe_avg_mag_sqrd_cf_impl.h14
-rw-r--r--gr-analog/lib/probe_avg_mag_sqrd_f_impl.cc14
-rw-r--r--gr-analog/lib/probe_avg_mag_sqrd_f_impl.h14
-rw-r--r--gr-analog/lib/pwr_squelch_cc_impl.cc14
-rw-r--r--gr-analog/lib/pwr_squelch_cc_impl.h14
-rw-r--r--gr-analog/lib/pwr_squelch_ff_impl.cc14
-rw-r--r--gr-analog/lib/pwr_squelch_ff_impl.h14
-rw-r--r--gr-analog/lib/quadrature_demod_cf_impl.cc14
-rw-r--r--gr-analog/lib/quadrature_demod_cf_impl.h14
-rw-r--r--gr-analog/lib/rail_ff_impl.cc14
-rw-r--r--gr-analog/lib/rail_ff_impl.h14
-rw-r--r--gr-analog/lib/random_uniform_source_impl.cc14
-rw-r--r--gr-analog/lib/random_uniform_source_impl.h14
-rw-r--r--gr-analog/lib/sig_source_impl.cc14
-rw-r--r--gr-analog/lib/sig_source_impl.h14
-rw-r--r--gr-analog/lib/simple_squelch_cc_impl.cc14
-rw-r--r--gr-analog/lib/simple_squelch_cc_impl.h14
-rw-r--r--gr-analog/lib/squelch_base_cc_impl.cc14
-rw-r--r--gr-analog/lib/squelch_base_cc_impl.h14
-rw-r--r--gr-analog/lib/squelch_base_ff_impl.cc14
-rw-r--r--gr-analog/lib/squelch_base_ff_impl.h14
-rw-r--r--gr-analog/python/analog/CMakeLists.txt14
-rw-r--r--gr-analog/python/analog/__init__.py14
-rw-r--r--gr-analog/python/analog/am_demod.py14
-rw-r--r--gr-analog/python/analog/fm_demod.py14
-rw-r--r--gr-analog/python/analog/fm_emph.py14
-rw-r--r--gr-analog/python/analog/nbfm_rx.py14
-rw-r--r--gr-analog/python/analog/nbfm_tx.py14
-rw-r--r--gr-analog/python/analog/qa_agc.py14
-rw-r--r--gr-analog/python/analog/qa_cpfsk.py14
-rw-r--r--gr-analog/python/analog/qa_ctcss_squelch.py14
-rw-r--r--gr-analog/python/analog/qa_dpll.py14
-rw-r--r--gr-analog/python/analog/qa_fastnoise.py14
-rw-r--r--gr-analog/python/analog/qa_fm_emph.py14
-rw-r--r--gr-analog/python/analog/qa_fmdet.py14
-rw-r--r--gr-analog/python/analog/qa_frequency_modulator.py14
-rw-r--r--gr-analog/python/analog/qa_noise.py14
-rw-r--r--gr-analog/python/analog/qa_phase_modulator.py14
-rw-r--r--gr-analog/python/analog/qa_pll_carriertracking.py14
-rw-r--r--gr-analog/python/analog/qa_pll_freqdet.py14
-rw-r--r--gr-analog/python/analog/qa_pll_refout.py14
-rw-r--r--gr-analog/python/analog/qa_probe_avg_mag_sqrd.py14
-rw-r--r--gr-analog/python/analog/qa_pwr_squelch.py14
-rw-r--r--gr-analog/python/analog/qa_quadrature_demod.py14
-rw-r--r--gr-analog/python/analog/qa_rail_ff.py14
-rw-r--r--gr-analog/python/analog/qa_random_uniform_source.py14
-rw-r--r--gr-analog/python/analog/qa_sig_source.py14
-rw-r--r--gr-analog/python/analog/qa_simple_squelch.py14
-rw-r--r--gr-analog/python/analog/standard_squelch.py14
-rw-r--r--gr-analog/python/analog/wfm_rcv.py14
-rw-r--r--gr-analog/python/analog/wfm_rcv_fmdet.py14
-rw-r--r--gr-analog/python/analog/wfm_rcv_pll.py14
-rw-r--r--gr-analog/python/analog/wfm_tx.py14
-rw-r--r--gr-analog/swig/CMakeLists.txt14
-rw-r--r--gr-analog/swig/analog_swig.i14
139 files changed, 139 insertions, 1807 deletions
diff --git a/gr-analog/CMakeLists.txt b/gr-analog/CMakeLists.txt
index 693417222..5d875673a 100644
--- a/gr-analog/CMakeLists.txt
+++ b/gr-analog/CMakeLists.txt
@@ -2,20 +2,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
########################################################################
# Setup dependencies
diff --git a/gr-analog/docs/CMakeLists.txt b/gr-analog/docs/CMakeLists.txt
index 009c2d3dc..5ee2c039a 100644
--- a/gr-analog/docs/CMakeLists.txt
+++ b/gr-analog/docs/CMakeLists.txt
@@ -2,20 +2,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
install(
FILES README.analog
diff --git a/gr-analog/examples/CMakeLists.txt b/gr-analog/examples/CMakeLists.txt
index ea4503d2c..59c6948b9 100644
--- a/gr-analog/examples/CMakeLists.txt
+++ b/gr-analog/examples/CMakeLists.txt
@@ -2,20 +2,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
include(GrPython)
diff --git a/gr-analog/examples/fm_demod.py b/gr-analog/examples/fm_demod.py
index a297e78a7..bb1de239b 100644
--- a/gr-analog/examples/fm_demod.py
+++ b/gr-analog/examples/fm_demod.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/examples/fmtest.py b/gr-analog/examples/fmtest.py
index f58c20259..e8a2afab7 100644
--- a/gr-analog/examples/fmtest.py
+++ b/gr-analog/examples/fmtest.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import print_function
diff --git a/gr-analog/examples/tags/CMakeLists.txt b/gr-analog/examples/tags/CMakeLists.txt
index 9e51cee16..213267faf 100644
--- a/gr-analog/examples/tags/CMakeLists.txt
+++ b/gr-analog/examples/tags/CMakeLists.txt
@@ -2,20 +2,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
include(GrPython)
diff --git a/gr-analog/examples/tags/uhd_burst_detector.py b/gr-analog/examples/tags/uhd_burst_detector.py
index d3d221a45..adbce6ab9 100644
--- a/gr-analog/examples/tags/uhd_burst_detector.py
+++ b/gr-analog/examples/tags/uhd_burst_detector.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import unicode_literals
diff --git a/gr-analog/grc/CMakeLists.txt b/gr-analog/grc/CMakeLists.txt
index 35456cee3..8d13c729a 100644
--- a/gr-analog/grc/CMakeLists.txt
+++ b/gr-analog/grc/CMakeLists.txt
@@ -2,20 +2,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
file(GLOB yml_files "*.yml")
install(FILES ${yml_files} DESTINATION ${GRC_BLOCKS_DIR})
diff --git a/gr-analog/include/gnuradio/analog/CMakeLists.txt b/gr-analog/include/gnuradio/analog/CMakeLists.txt
index 74eb57647..f590d8c42 100644
--- a/gr-analog/include/gnuradio/analog/CMakeLists.txt
+++ b/gr-analog/include/gnuradio/analog/CMakeLists.txt
@@ -2,20 +2,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
########################################################################
# Install header files
diff --git a/gr-analog/include/gnuradio/analog/agc.h b/gr-analog/include/gnuradio/analog/agc.h
index a394bf8cc..1c51ea25a 100644
--- a/gr-analog/include/gnuradio/analog/agc.h
+++ b/gr-analog/include/gnuradio/analog/agc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC_H
diff --git a/gr-analog/include/gnuradio/analog/agc2.h b/gr-analog/include/gnuradio/analog/agc2.h
index a72866d4a..af9f64d85 100644
--- a/gr-analog/include/gnuradio/analog/agc2.h
+++ b/gr-analog/include/gnuradio/analog/agc2.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC2_H
diff --git a/gr-analog/include/gnuradio/analog/agc2_cc.h b/gr-analog/include/gnuradio/analog/agc2_cc.h
index 3356322f1..d17c96076 100644
--- a/gr-analog/include/gnuradio/analog/agc2_cc.h
+++ b/gr-analog/include/gnuradio/analog/agc2_cc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC2_CC_H
diff --git a/gr-analog/include/gnuradio/analog/agc2_ff.h b/gr-analog/include/gnuradio/analog/agc2_ff.h
index 8f75831a8..dd3f0274e 100644
--- a/gr-analog/include/gnuradio/analog/agc2_ff.h
+++ b/gr-analog/include/gnuradio/analog/agc2_ff.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC2_FF_H
diff --git a/gr-analog/include/gnuradio/analog/agc3_cc.h b/gr-analog/include/gnuradio/analog/agc3_cc.h
index caba8f513..040b791c7 100644
--- a/gr-analog/include/gnuradio/analog/agc3_cc.h
+++ b/gr-analog/include/gnuradio/analog/agc3_cc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC3_CC_H
diff --git a/gr-analog/include/gnuradio/analog/agc_cc.h b/gr-analog/include/gnuradio/analog/agc_cc.h
index 70571ccbc..3920bbc7d 100644
--- a/gr-analog/include/gnuradio/analog/agc_cc.h
+++ b/gr-analog/include/gnuradio/analog/agc_cc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC_CC_H
diff --git a/gr-analog/include/gnuradio/analog/agc_ff.h b/gr-analog/include/gnuradio/analog/agc_ff.h
index d6a54ccf5..53b30b04e 100644
--- a/gr-analog/include/gnuradio/analog/agc_ff.h
+++ b/gr-analog/include/gnuradio/analog/agc_ff.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC_FF_H
diff --git a/gr-analog/include/gnuradio/analog/api.h b/gr-analog/include/gnuradio/analog/api.h
index fe421d0ee..bc2d2a627 100644
--- a/gr-analog/include/gnuradio/analog/api.h
+++ b/gr-analog/include/gnuradio/analog/api.h
@@ -3,20 +3,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_API_H
diff --git a/gr-analog/include/gnuradio/analog/cpfsk_bc.h b/gr-analog/include/gnuradio/analog/cpfsk_bc.h
index 0ae3bad46..9329840b2 100644
--- a/gr-analog/include/gnuradio/analog/cpfsk_bc.h
+++ b/gr-analog/include/gnuradio/analog/cpfsk_bc.h
@@ -2,20 +2,8 @@
/*
* Copyright 2008,2012 Free Software Foundation, Inc.
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_CPFSK_BC_H
diff --git a/gr-analog/include/gnuradio/analog/cpm.h b/gr-analog/include/gnuradio/analog/cpm.h
index 0615ec04f..dcdd01c49 100644
--- a/gr-analog/include/gnuradio/analog/cpm.h
+++ b/gr-analog/include/gnuradio/analog/cpm.h
@@ -2,20 +2,8 @@
/*
* Copyright 2010,2012 Free Software Foundation, Inc.
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h b/gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h
index 886d7b035..72d5a930b 100644
--- a/gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h
+++ b/gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_CTCSS_SQUELCH_FF_H
diff --git a/gr-analog/include/gnuradio/analog/dpll_bb.h b/gr-analog/include/gnuradio/analog/dpll_bb.h
index 8e89184bf..41c4b0ee2 100644
--- a/gr-analog/include/gnuradio/analog/dpll_bb.h
+++ b/gr-analog/include/gnuradio/analog/dpll_bb.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_DPLL_BB_H
diff --git a/gr-analog/include/gnuradio/analog/fastnoise_source.h b/gr-analog/include/gnuradio/analog/fastnoise_source.h
index 3ba10acb6..93f6d6498 100644
--- a/gr-analog/include/gnuradio/analog/fastnoise_source.h
+++ b/gr-analog/include/gnuradio/analog/fastnoise_source.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/include/gnuradio/analog/feedforward_agc_cc.h b/gr-analog/include/gnuradio/analog/feedforward_agc_cc.h
index 96b71109c..c4ac19179 100644
--- a/gr-analog/include/gnuradio/analog/feedforward_agc_cc.h
+++ b/gr-analog/include/gnuradio/analog/feedforward_agc_cc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_FEEDFORWARD_AGC_CC_H
diff --git a/gr-analog/include/gnuradio/analog/fmdet_cf.h b/gr-analog/include/gnuradio/analog/fmdet_cf.h
index 0e89d755f..6c94d1196 100644
--- a/gr-analog/include/gnuradio/analog/fmdet_cf.h
+++ b/gr-analog/include/gnuradio/analog/fmdet_cf.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_FMDET_CF_H
diff --git a/gr-analog/include/gnuradio/analog/frequency_modulator_fc.h b/gr-analog/include/gnuradio/analog/frequency_modulator_fc.h
index 3ce44e120..443e393fe 100644
--- a/gr-analog/include/gnuradio/analog/frequency_modulator_fc.h
+++ b/gr-analog/include/gnuradio/analog/frequency_modulator_fc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_FREQUENCY_MODULATOR_FC_H
diff --git a/gr-analog/include/gnuradio/analog/noise_source.h b/gr-analog/include/gnuradio/analog/noise_source.h
index 1ab2e49bf..c90ecd63b 100644
--- a/gr-analog/include/gnuradio/analog/noise_source.h
+++ b/gr-analog/include/gnuradio/analog/noise_source.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/include/gnuradio/analog/noise_type.h b/gr-analog/include/gnuradio/analog/noise_type.h
index c72d132c2..a557687f2 100644
--- a/gr-analog/include/gnuradio/analog/noise_type.h
+++ b/gr-analog/include/gnuradio/analog/noise_type.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_NOISE_TYPE_H
diff --git a/gr-analog/include/gnuradio/analog/phase_modulator_fc.h b/gr-analog/include/gnuradio/analog/phase_modulator_fc.h
index 61f2714d5..6e61b9c47 100644
--- a/gr-analog/include/gnuradio/analog/phase_modulator_fc.h
+++ b/gr-analog/include/gnuradio/analog/phase_modulator_fc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PHASE_MODULATOR_FC_H
diff --git a/gr-analog/include/gnuradio/analog/pll_carriertracking_cc.h b/gr-analog/include/gnuradio/analog/pll_carriertracking_cc.h
index 37a2dddc4..c3a6a3ef5 100644
--- a/gr-analog/include/gnuradio/analog/pll_carriertracking_cc.h
+++ b/gr-analog/include/gnuradio/analog/pll_carriertracking_cc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PLL_CARRIERTRACKING_CC_H
diff --git a/gr-analog/include/gnuradio/analog/pll_freqdet_cf.h b/gr-analog/include/gnuradio/analog/pll_freqdet_cf.h
index df866cee6..c11033555 100644
--- a/gr-analog/include/gnuradio/analog/pll_freqdet_cf.h
+++ b/gr-analog/include/gnuradio/analog/pll_freqdet_cf.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PLL_FREQDET_CF_H
diff --git a/gr-analog/include/gnuradio/analog/pll_refout_cc.h b/gr-analog/include/gnuradio/analog/pll_refout_cc.h
index ad5b5961d..bb0769b56 100644
--- a/gr-analog/include/gnuradio/analog/pll_refout_cc.h
+++ b/gr-analog/include/gnuradio/analog/pll_refout_cc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PLL_REFOUT_CC_H
diff --git a/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_c.h b/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_c.h
index 72abde9c4..13007ba89 100644
--- a/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_c.h
+++ b/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_c.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_C_H
#define INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_C_H
diff --git a/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_cf.h b/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_cf.h
index 03e413882..148ed8fa9 100644
--- a/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_cf.h
+++ b/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_cf.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_CF_H
diff --git a/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_f.h b/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_f.h
index eaef1d0da..cee62c54c 100644
--- a/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_f.h
+++ b/gr-analog/include/gnuradio/analog/probe_avg_mag_sqrd_f.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_F_H
diff --git a/gr-analog/include/gnuradio/analog/pwr_squelch_cc.h b/gr-analog/include/gnuradio/analog/pwr_squelch_cc.h
index cb38f610e..c1aaea60f 100644
--- a/gr-analog/include/gnuradio/analog/pwr_squelch_cc.h
+++ b/gr-analog/include/gnuradio/analog/pwr_squelch_cc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PWR_SQUELCH_CC_H
diff --git a/gr-analog/include/gnuradio/analog/pwr_squelch_ff.h b/gr-analog/include/gnuradio/analog/pwr_squelch_ff.h
index 979660b6c..212cf0e0c 100644
--- a/gr-analog/include/gnuradio/analog/pwr_squelch_ff.h
+++ b/gr-analog/include/gnuradio/analog/pwr_squelch_ff.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PWR_SQUELCH_FF_H
diff --git a/gr-analog/include/gnuradio/analog/quadrature_demod_cf.h b/gr-analog/include/gnuradio/analog/quadrature_demod_cf.h
index e018b68b4..2e99d3ca3 100644
--- a/gr-analog/include/gnuradio/analog/quadrature_demod_cf.h
+++ b/gr-analog/include/gnuradio/analog/quadrature_demod_cf.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_QUADRATURE_DEMOD_CF_H
diff --git a/gr-analog/include/gnuradio/analog/rail_ff.h b/gr-analog/include/gnuradio/analog/rail_ff.h
index f41720c60..180c4eba5 100644
--- a/gr-analog/include/gnuradio/analog/rail_ff.h
+++ b/gr-analog/include/gnuradio/analog/rail_ff.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_RAIL_FF_H
diff --git a/gr-analog/include/gnuradio/analog/random_uniform_source.h b/gr-analog/include/gnuradio/analog/random_uniform_source.h
index dbbd5557a..cde93d647 100644
--- a/gr-analog/include/gnuradio/analog/random_uniform_source.h
+++ b/gr-analog/include/gnuradio/analog/random_uniform_source.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/include/gnuradio/analog/sig_source.h b/gr-analog/include/gnuradio/analog/sig_source.h
index a1d124ec1..168c12a5b 100644
--- a/gr-analog/include/gnuradio/analog/sig_source.h
+++ b/gr-analog/include/gnuradio/analog/sig_source.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/include/gnuradio/analog/sig_source_waveform.h b/gr-analog/include/gnuradio/analog/sig_source_waveform.h
index 09ea53d66..1dea4b0e6 100644
--- a/gr-analog/include/gnuradio/analog/sig_source_waveform.h
+++ b/gr-analog/include/gnuradio/analog/sig_source_waveform.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_SIG_SOURCE_WAVEFORM_H
diff --git a/gr-analog/include/gnuradio/analog/simple_squelch_cc.h b/gr-analog/include/gnuradio/analog/simple_squelch_cc.h
index 56950e91d..cd8afdf0f 100644
--- a/gr-analog/include/gnuradio/analog/simple_squelch_cc.h
+++ b/gr-analog/include/gnuradio/analog/simple_squelch_cc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_H
diff --git a/gr-analog/include/gnuradio/analog/squelch_base_cc.h b/gr-analog/include/gnuradio/analog/squelch_base_cc.h
index deecbdeba..8bf8d3ba1 100644
--- a/gr-analog/include/gnuradio/analog/squelch_base_cc.h
+++ b/gr-analog/include/gnuradio/analog/squelch_base_cc.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_SQUELCH_BASE_CC_H
diff --git a/gr-analog/include/gnuradio/analog/squelch_base_ff.h b/gr-analog/include/gnuradio/analog/squelch_base_ff.h
index fcf81d5b8..72051d913 100644
--- a/gr-analog/include/gnuradio/analog/squelch_base_ff.h
+++ b/gr-analog/include/gnuradio/analog/squelch_base_ff.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_SQUELCH_BASE_FF_H
diff --git a/gr-analog/lib/CMakeLists.txt b/gr-analog/lib/CMakeLists.txt
index 9b20f4ac9..ec60418b7 100644
--- a/gr-analog/lib/CMakeLists.txt
+++ b/gr-analog/lib/CMakeLists.txt
@@ -2,20 +2,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
########################################################################
# Setup library
diff --git a/gr-analog/lib/agc2_cc_impl.cc b/gr-analog/lib/agc2_cc_impl.cc
index 095b4905f..6304b5606 100644
--- a/gr-analog/lib/agc2_cc_impl.cc
+++ b/gr-analog/lib/agc2_cc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/agc2_cc_impl.h b/gr-analog/lib/agc2_cc_impl.h
index 3bb99fb99..2e14efb84 100644
--- a/gr-analog/lib/agc2_cc_impl.h
+++ b/gr-analog/lib/agc2_cc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC2_IMPL_CC_H
diff --git a/gr-analog/lib/agc2_ff_impl.cc b/gr-analog/lib/agc2_ff_impl.cc
index 4470c9c31..8c9f6c926 100644
--- a/gr-analog/lib/agc2_ff_impl.cc
+++ b/gr-analog/lib/agc2_ff_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/agc2_ff_impl.h b/gr-analog/lib/agc2_ff_impl.h
index 858186fab..d5c5b3eb8 100644
--- a/gr-analog/lib/agc2_ff_impl.h
+++ b/gr-analog/lib/agc2_ff_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC2_FF_IMPL_H
diff --git a/gr-analog/lib/agc3_cc_impl.cc b/gr-analog/lib/agc3_cc_impl.cc
index 9fe65241b..2f80c1020 100644
--- a/gr-analog/lib/agc3_cc_impl.cc
+++ b/gr-analog/lib/agc3_cc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/agc3_cc_impl.h b/gr-analog/lib/agc3_cc_impl.h
index c328b37df..bc3190c46 100644
--- a/gr-analog/lib/agc3_cc_impl.h
+++ b/gr-analog/lib/agc3_cc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC3_IMPL_CC_H
diff --git a/gr-analog/lib/agc_cc_impl.cc b/gr-analog/lib/agc_cc_impl.cc
index 48b6543d0..59ce1f21c 100644
--- a/gr-analog/lib/agc_cc_impl.cc
+++ b/gr-analog/lib/agc_cc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/agc_cc_impl.h b/gr-analog/lib/agc_cc_impl.h
index a5ca2e3fe..4ac63f2df 100644
--- a/gr-analog/lib/agc_cc_impl.h
+++ b/gr-analog/lib/agc_cc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC_CC_IMPL_H
diff --git a/gr-analog/lib/agc_ff_impl.cc b/gr-analog/lib/agc_ff_impl.cc
index 41f41f37f..d63ed7d2e 100644
--- a/gr-analog/lib/agc_ff_impl.cc
+++ b/gr-analog/lib/agc_ff_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/agc_ff_impl.h b/gr-analog/lib/agc_ff_impl.h
index 563863888..1c1e5f896 100644
--- a/gr-analog/lib/agc_ff_impl.h
+++ b/gr-analog/lib/agc_ff_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_AGC_FF_IMPL_H
diff --git a/gr-analog/lib/cpfsk_bc_impl.cc b/gr-analog/lib/cpfsk_bc_impl.cc
index 071110975..82ce291ae 100644
--- a/gr-analog/lib/cpfsk_bc_impl.cc
+++ b/gr-analog/lib/cpfsk_bc_impl.cc
@@ -2,20 +2,8 @@
/*
* Copyright 2008,2010,2012,2018 Free Software Foundation, Inc.
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/cpfsk_bc_impl.h b/gr-analog/lib/cpfsk_bc_impl.h
index 2bee7f9e3..067ca5a66 100644
--- a/gr-analog/lib/cpfsk_bc_impl.h
+++ b/gr-analog/lib/cpfsk_bc_impl.h
@@ -2,20 +2,8 @@
/*
* Copyright 2008,2012 Free Software Foundation, Inc.
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_CPFSK_BC_IMPL_H
diff --git a/gr-analog/lib/cpm.cc b/gr-analog/lib/cpm.cc
index 51e5b8c71..fdadbebfe 100644
--- a/gr-analog/lib/cpm.cc
+++ b/gr-analog/lib/cpm.cc
@@ -2,20 +2,8 @@
/*
* Copyright 2010,2012 Free Software Foundation, Inc.
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
// Calculate the taps for the CPM phase responses
diff --git a/gr-analog/lib/ctcss_squelch_ff_impl.cc b/gr-analog/lib/ctcss_squelch_ff_impl.cc
index 9964f3068..6c5ffa342 100644
--- a/gr-analog/lib/ctcss_squelch_ff_impl.cc
+++ b/gr-analog/lib/ctcss_squelch_ff_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/ctcss_squelch_ff_impl.h b/gr-analog/lib/ctcss_squelch_ff_impl.h
index 1fc0b5001..568834aa1 100644
--- a/gr-analog/lib/ctcss_squelch_ff_impl.h
+++ b/gr-analog/lib/ctcss_squelch_ff_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_CTCSS_SQUELCH_FF_IMPL_H
diff --git a/gr-analog/lib/dpll_bb_impl.cc b/gr-analog/lib/dpll_bb_impl.cc
index cc3805094..7f4109794 100644
--- a/gr-analog/lib/dpll_bb_impl.cc
+++ b/gr-analog/lib/dpll_bb_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/dpll_bb_impl.h b/gr-analog/lib/dpll_bb_impl.h
index b068c0d05..c0ed91188 100644
--- a/gr-analog/lib/dpll_bb_impl.h
+++ b/gr-analog/lib/dpll_bb_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_DPLL_BB_IMPL_H
diff --git a/gr-analog/lib/fastnoise_source_impl.cc b/gr-analog/lib/fastnoise_source_impl.cc
index 1910001b2..b0ad85d76 100644
--- a/gr-analog/lib/fastnoise_source_impl.cc
+++ b/gr-analog/lib/fastnoise_source_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/lib/fastnoise_source_impl.h b/gr-analog/lib/fastnoise_source_impl.h
index 27dde5082..569c0fdd2 100644
--- a/gr-analog/lib/fastnoise_source_impl.h
+++ b/gr-analog/lib/fastnoise_source_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/lib/feedforward_agc_cc_impl.cc b/gr-analog/lib/feedforward_agc_cc_impl.cc
index 4b1f2c372..ec94f9d24 100644
--- a/gr-analog/lib/feedforward_agc_cc_impl.cc
+++ b/gr-analog/lib/feedforward_agc_cc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/feedforward_agc_cc_impl.h b/gr-analog/lib/feedforward_agc_cc_impl.h
index 7aec82652..bf2bf8c4c 100644
--- a/gr-analog/lib/feedforward_agc_cc_impl.h
+++ b/gr-analog/lib/feedforward_agc_cc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_FEEDFORWARD_AGC_CC_IMPL_H
diff --git a/gr-analog/lib/fmdet_cf_impl.cc b/gr-analog/lib/fmdet_cf_impl.cc
index e4cfe49b4..02164c5ad 100644
--- a/gr-analog/lib/fmdet_cf_impl.cc
+++ b/gr-analog/lib/fmdet_cf_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/fmdet_cf_impl.h b/gr-analog/lib/fmdet_cf_impl.h
index 7b98cab08..01f8f0ba7 100644
--- a/gr-analog/lib/fmdet_cf_impl.h
+++ b/gr-analog/lib/fmdet_cf_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_FMDET_CF_IMPL_H
diff --git a/gr-analog/lib/frequency_modulator_fc_impl.cc b/gr-analog/lib/frequency_modulator_fc_impl.cc
index 5f2d67c37..02c95f609 100644
--- a/gr-analog/lib/frequency_modulator_fc_impl.cc
+++ b/gr-analog/lib/frequency_modulator_fc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/frequency_modulator_fc_impl.h b/gr-analog/lib/frequency_modulator_fc_impl.h
index ff59ccc88..6d65f6f49 100644
--- a/gr-analog/lib/frequency_modulator_fc_impl.h
+++ b/gr-analog/lib/frequency_modulator_fc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_FREQUENCY_MODULATOR_FC_IMPL_H
diff --git a/gr-analog/lib/gnuradio-analog.rc.in b/gr-analog/lib/gnuradio-analog.rc.in
index 7c8c1919f..0aac68629 100644
--- a/gr-analog/lib/gnuradio-analog.rc.in
+++ b/gr-analog/lib/gnuradio-analog.rc.in
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#include <afxres.h>
diff --git a/gr-analog/lib/noise_source_impl.cc b/gr-analog/lib/noise_source_impl.cc
index 7cfb975c5..fb5b3347d 100644
--- a/gr-analog/lib/noise_source_impl.cc
+++ b/gr-analog/lib/noise_source_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/lib/noise_source_impl.h b/gr-analog/lib/noise_source_impl.h
index 8c102c33e..eecb17157 100644
--- a/gr-analog/lib/noise_source_impl.h
+++ b/gr-analog/lib/noise_source_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/lib/phase_modulator_fc_impl.cc b/gr-analog/lib/phase_modulator_fc_impl.cc
index d91b03ebe..33dc11c79 100644
--- a/gr-analog/lib/phase_modulator_fc_impl.cc
+++ b/gr-analog/lib/phase_modulator_fc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/phase_modulator_fc_impl.h b/gr-analog/lib/phase_modulator_fc_impl.h
index ac6f53898..e0c256088 100644
--- a/gr-analog/lib/phase_modulator_fc_impl.h
+++ b/gr-analog/lib/phase_modulator_fc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PHASE_MODULATOR_FC_IMPL_H
diff --git a/gr-analog/lib/pll_carriertracking_cc_impl.cc b/gr-analog/lib/pll_carriertracking_cc_impl.cc
index 9f33c8cea..d8216b0ca 100644
--- a/gr-analog/lib/pll_carriertracking_cc_impl.cc
+++ b/gr-analog/lib/pll_carriertracking_cc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/pll_carriertracking_cc_impl.h b/gr-analog/lib/pll_carriertracking_cc_impl.h
index a4460b98a..3cb7146da 100644
--- a/gr-analog/lib/pll_carriertracking_cc_impl.h
+++ b/gr-analog/lib/pll_carriertracking_cc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PLL_CARRIERTRACKING_CC_IMPL_H
diff --git a/gr-analog/lib/pll_freqdet_cf_impl.cc b/gr-analog/lib/pll_freqdet_cf_impl.cc
index 5ce553806..9df122bc0 100644
--- a/gr-analog/lib/pll_freqdet_cf_impl.cc
+++ b/gr-analog/lib/pll_freqdet_cf_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/pll_freqdet_cf_impl.h b/gr-analog/lib/pll_freqdet_cf_impl.h
index 76fbdde2a..de5c03192 100644
--- a/gr-analog/lib/pll_freqdet_cf_impl.h
+++ b/gr-analog/lib/pll_freqdet_cf_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PLL_FREQDET_CF_IMPL_H
diff --git a/gr-analog/lib/pll_refout_cc_impl.cc b/gr-analog/lib/pll_refout_cc_impl.cc
index 9dbb8f5ea..d83f430d2 100644
--- a/gr-analog/lib/pll_refout_cc_impl.cc
+++ b/gr-analog/lib/pll_refout_cc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/pll_refout_cc_impl.h b/gr-analog/lib/pll_refout_cc_impl.h
index c52608574..da9be48b1 100644
--- a/gr-analog/lib/pll_refout_cc_impl.h
+++ b/gr-analog/lib/pll_refout_cc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PLL_REFOUT_CC_IMPL_H
diff --git a/gr-analog/lib/probe_avg_mag_sqrd_c_impl.cc b/gr-analog/lib/probe_avg_mag_sqrd_c_impl.cc
index bee8cd5ae..9c63719b2 100644
--- a/gr-analog/lib/probe_avg_mag_sqrd_c_impl.cc
+++ b/gr-analog/lib/probe_avg_mag_sqrd_c_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/probe_avg_mag_sqrd_c_impl.h b/gr-analog/lib/probe_avg_mag_sqrd_c_impl.h
index 89eac71f7..e50627d21 100644
--- a/gr-analog/lib/probe_avg_mag_sqrd_c_impl.h
+++ b/gr-analog/lib/probe_avg_mag_sqrd_c_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_C_IMPL_H
diff --git a/gr-analog/lib/probe_avg_mag_sqrd_cf_impl.cc b/gr-analog/lib/probe_avg_mag_sqrd_cf_impl.cc
index 20a1d1ee2..7cc51856e 100644
--- a/gr-analog/lib/probe_avg_mag_sqrd_cf_impl.cc
+++ b/gr-analog/lib/probe_avg_mag_sqrd_cf_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/probe_avg_mag_sqrd_cf_impl.h b/gr-analog/lib/probe_avg_mag_sqrd_cf_impl.h
index bc8662776..c43fa8cac 100644
--- a/gr-analog/lib/probe_avg_mag_sqrd_cf_impl.h
+++ b/gr-analog/lib/probe_avg_mag_sqrd_cf_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_CF_IMPL_H
diff --git a/gr-analog/lib/probe_avg_mag_sqrd_f_impl.cc b/gr-analog/lib/probe_avg_mag_sqrd_f_impl.cc
index 8f97fa42e..13bb43f21 100644
--- a/gr-analog/lib/probe_avg_mag_sqrd_f_impl.cc
+++ b/gr-analog/lib/probe_avg_mag_sqrd_f_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/probe_avg_mag_sqrd_f_impl.h b/gr-analog/lib/probe_avg_mag_sqrd_f_impl.h
index ae29f039a..094a114f6 100644
--- a/gr-analog/lib/probe_avg_mag_sqrd_f_impl.h
+++ b/gr-analog/lib/probe_avg_mag_sqrd_f_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_F_IMPL_H
diff --git a/gr-analog/lib/pwr_squelch_cc_impl.cc b/gr-analog/lib/pwr_squelch_cc_impl.cc
index 5eec01c0f..a8b4572fe 100644
--- a/gr-analog/lib/pwr_squelch_cc_impl.cc
+++ b/gr-analog/lib/pwr_squelch_cc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/pwr_squelch_cc_impl.h b/gr-analog/lib/pwr_squelch_cc_impl.h
index f9ab67742..37e5fd94d 100644
--- a/gr-analog/lib/pwr_squelch_cc_impl.h
+++ b/gr-analog/lib/pwr_squelch_cc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PWR_SQUELCH_CC_IMPL_H
diff --git a/gr-analog/lib/pwr_squelch_ff_impl.cc b/gr-analog/lib/pwr_squelch_ff_impl.cc
index 6310a52ea..12c658841 100644
--- a/gr-analog/lib/pwr_squelch_ff_impl.cc
+++ b/gr-analog/lib/pwr_squelch_ff_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/pwr_squelch_ff_impl.h b/gr-analog/lib/pwr_squelch_ff_impl.h
index 9eb9e67e8..d92b09270 100644
--- a/gr-analog/lib/pwr_squelch_ff_impl.h
+++ b/gr-analog/lib/pwr_squelch_ff_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_PWR_SQUELCH_FF_IMPL_H
diff --git a/gr-analog/lib/quadrature_demod_cf_impl.cc b/gr-analog/lib/quadrature_demod_cf_impl.cc
index 36542c0df..d285b40fc 100644
--- a/gr-analog/lib/quadrature_demod_cf_impl.cc
+++ b/gr-analog/lib/quadrature_demod_cf_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/quadrature_demod_cf_impl.h b/gr-analog/lib/quadrature_demod_cf_impl.h
index 3f7639f02..5f579f372 100644
--- a/gr-analog/lib/quadrature_demod_cf_impl.h
+++ b/gr-analog/lib/quadrature_demod_cf_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_QUADRATURE_DEMOD_CF_IMPL_H
diff --git a/gr-analog/lib/rail_ff_impl.cc b/gr-analog/lib/rail_ff_impl.cc
index 75c67875a..17f2737fa 100644
--- a/gr-analog/lib/rail_ff_impl.cc
+++ b/gr-analog/lib/rail_ff_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/rail_ff_impl.h b/gr-analog/lib/rail_ff_impl.h
index 1f005e52a..45ab74c39 100644
--- a/gr-analog/lib/rail_ff_impl.h
+++ b/gr-analog/lib/rail_ff_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_RAIL_FF_IMPL_H
diff --git a/gr-analog/lib/random_uniform_source_impl.cc b/gr-analog/lib/random_uniform_source_impl.cc
index d8d019568..08efd397b 100644
--- a/gr-analog/lib/random_uniform_source_impl.cc
+++ b/gr-analog/lib/random_uniform_source_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/lib/random_uniform_source_impl.h b/gr-analog/lib/random_uniform_source_impl.h
index 19df2ad97..d8d3aba9b 100644
--- a/gr-analog/lib/random_uniform_source_impl.h
+++ b/gr-analog/lib/random_uniform_source_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/lib/sig_source_impl.cc b/gr-analog/lib/sig_source_impl.cc
index b73b32982..c07c2696b 100644
--- a/gr-analog/lib/sig_source_impl.cc
+++ b/gr-analog/lib/sig_source_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/lib/sig_source_impl.h b/gr-analog/lib/sig_source_impl.h
index 6b6457a16..40445abc6 100644
--- a/gr-analog/lib/sig_source_impl.h
+++ b/gr-analog/lib/sig_source_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
diff --git a/gr-analog/lib/simple_squelch_cc_impl.cc b/gr-analog/lib/simple_squelch_cc_impl.cc
index c0eb4d21d..260bb522d 100644
--- a/gr-analog/lib/simple_squelch_cc_impl.cc
+++ b/gr-analog/lib/simple_squelch_cc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/simple_squelch_cc_impl.h b/gr-analog/lib/simple_squelch_cc_impl.h
index b3dc89bf6..9935a146f 100644
--- a/gr-analog/lib/simple_squelch_cc_impl.h
+++ b/gr-analog/lib/simple_squelch_cc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_IMPL_H
diff --git a/gr-analog/lib/squelch_base_cc_impl.cc b/gr-analog/lib/squelch_base_cc_impl.cc
index 006b7770d..a1c9dc238 100644
--- a/gr-analog/lib/squelch_base_cc_impl.cc
+++ b/gr-analog/lib/squelch_base_cc_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/squelch_base_cc_impl.h b/gr-analog/lib/squelch_base_cc_impl.h
index 4c0b44856..d1772aa1b 100644
--- a/gr-analog/lib/squelch_base_cc_impl.h
+++ b/gr-analog/lib/squelch_base_cc_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_GR_SQUELCH_BASE_CC_IMPL_H
diff --git a/gr-analog/lib/squelch_base_ff_impl.cc b/gr-analog/lib/squelch_base_ff_impl.cc
index abe18e786..4cc8ffe12 100644
--- a/gr-analog/lib/squelch_base_ff_impl.cc
+++ b/gr-analog/lib/squelch_base_ff_impl.cc
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
diff --git a/gr-analog/lib/squelch_base_ff_impl.h b/gr-analog/lib/squelch_base_ff_impl.h
index 631175221..6f17e106b 100644
--- a/gr-analog/lib/squelch_base_ff_impl.h
+++ b/gr-analog/lib/squelch_base_ff_impl.h
@@ -4,20 +4,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_GR_SQUELCH_BASE_FF_IMPL_H
diff --git a/gr-analog/python/analog/CMakeLists.txt b/gr-analog/python/analog/CMakeLists.txt
index 4c5d24f4c..70026c3b7 100644
--- a/gr-analog/python/analog/CMakeLists.txt
+++ b/gr-analog/python/analog/CMakeLists.txt
@@ -2,20 +2,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
########################################################################
# Setup python install
diff --git a/gr-analog/python/analog/__init__.py b/gr-analog/python/analog/__init__.py
index 79c19e1e3..656682b2a 100644
--- a/gr-analog/python/analog/__init__.py
+++ b/gr-analog/python/analog/__init__.py
@@ -2,20 +2,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
'''
diff --git a/gr-analog/python/analog/am_demod.py b/gr-analog/python/analog/am_demod.py
index eeb8964f3..8528d2ea9 100644
--- a/gr-analog/python/analog/am_demod.py
+++ b/gr-analog/python/analog/am_demod.py
@@ -4,20 +4,8 @@ from __future__ import unicode_literals
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from gnuradio import gr
diff --git a/gr-analog/python/analog/fm_demod.py b/gr-analog/python/analog/fm_demod.py
index c1a498ef8..7f6559196 100644
--- a/gr-analog/python/analog/fm_demod.py
+++ b/gr-analog/python/analog/fm_demod.py
@@ -3,20 +3,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import absolute_import
diff --git a/gr-analog/python/analog/fm_emph.py b/gr-analog/python/analog/fm_emph.py
index 993923567..8fba369de 100644
--- a/gr-analog/python/analog/fm_emph.py
+++ b/gr-analog/python/analog/fm_emph.py
@@ -3,20 +3,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import print_function
diff --git a/gr-analog/python/analog/nbfm_rx.py b/gr-analog/python/analog/nbfm_rx.py
index f84901217..144c5f3e1 100644
--- a/gr-analog/python/analog/nbfm_rx.py
+++ b/gr-analog/python/analog/nbfm_rx.py
@@ -3,20 +3,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import print_function
diff --git a/gr-analog/python/analog/nbfm_tx.py b/gr-analog/python/analog/nbfm_tx.py
index 2d9aaa7d1..5e2a45d6f 100644
--- a/gr-analog/python/analog/nbfm_tx.py
+++ b/gr-analog/python/analog/nbfm_tx.py
@@ -3,20 +3,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import print_function
diff --git a/gr-analog/python/analog/qa_agc.py b/gr-analog/python/analog/qa_agc.py
index bac661f8b..8b3ca6b41 100644
--- a/gr-analog/python/analog/qa_agc.py
+++ b/gr-analog/python/analog/qa_agc.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
diff --git a/gr-analog/python/analog/qa_cpfsk.py b/gr-analog/python/analog/qa_cpfsk.py
index ef8ea0cb3..c9bded9b6 100644
--- a/gr-analog/python/analog/qa_cpfsk.py
+++ b/gr-analog/python/analog/qa_cpfsk.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
diff --git a/gr-analog/python/analog/qa_ctcss_squelch.py b/gr-analog/python/analog/qa_ctcss_squelch.py
index f3db194f5..74d4494f5 100644
--- a/gr-analog/python/analog/qa_ctcss_squelch.py
+++ b/gr-analog/python/analog/qa_ctcss_squelch.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/qa_dpll.py b/gr-analog/python/analog/qa_dpll.py
index 2d215e3d9..c3c101276 100644
--- a/gr-analog/python/analog/qa_dpll.py
+++ b/gr-analog/python/analog/qa_dpll.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/qa_fastnoise.py b/gr-analog/python/analog/qa_fastnoise.py
index f712d66ca..076e378fa 100644
--- a/gr-analog/python/analog/qa_fastnoise.py
+++ b/gr-analog/python/analog/qa_fastnoise.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from gnuradio import gr, gr_unittest, analog, blocks
diff --git a/gr-analog/python/analog/qa_fm_emph.py b/gr-analog/python/analog/qa_fm_emph.py
index 228e4db4c..b4fe2a278 100644
--- a/gr-analog/python/analog/qa_fm_emph.py
+++ b/gr-analog/python/analog/qa_fm_emph.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
diff --git a/gr-analog/python/analog/qa_fmdet.py b/gr-analog/python/analog/qa_fmdet.py
index 77ad21341..95083c070 100644
--- a/gr-analog/python/analog/qa_fmdet.py
+++ b/gr-analog/python/analog/qa_fmdet.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
diff --git a/gr-analog/python/analog/qa_frequency_modulator.py b/gr-analog/python/analog/qa_frequency_modulator.py
index 29282b0ea..f46d569ee 100644
--- a/gr-analog/python/analog/qa_frequency_modulator.py
+++ b/gr-analog/python/analog/qa_frequency_modulator.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/qa_noise.py b/gr-analog/python/analog/qa_noise.py
index cf2e9e607..04b1f9cb6 100644
--- a/gr-analog/python/analog/qa_noise.py
+++ b/gr-analog/python/analog/qa_noise.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
diff --git a/gr-analog/python/analog/qa_phase_modulator.py b/gr-analog/python/analog/qa_phase_modulator.py
index 7f7d57fa7..6beb65cc3 100644
--- a/gr-analog/python/analog/qa_phase_modulator.py
+++ b/gr-analog/python/analog/qa_phase_modulator.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/qa_pll_carriertracking.py b/gr-analog/python/analog/qa_pll_carriertracking.py
index 56bb14d2c..c2ee8bb6d 100644
--- a/gr-analog/python/analog/qa_pll_carriertracking.py
+++ b/gr-analog/python/analog/qa_pll_carriertracking.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/qa_pll_freqdet.py b/gr-analog/python/analog/qa_pll_freqdet.py
index 2006dd736..95114c308 100644
--- a/gr-analog/python/analog/qa_pll_freqdet.py
+++ b/gr-analog/python/analog/qa_pll_freqdet.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/qa_pll_refout.py b/gr-analog/python/analog/qa_pll_refout.py
index ac1139cc0..907fe488e 100644
--- a/gr-analog/python/analog/qa_pll_refout.py
+++ b/gr-analog/python/analog/qa_pll_refout.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/qa_probe_avg_mag_sqrd.py b/gr-analog/python/analog/qa_probe_avg_mag_sqrd.py
index 68652eb36..ea6f5790e 100644
--- a/gr-analog/python/analog/qa_probe_avg_mag_sqrd.py
+++ b/gr-analog/python/analog/qa_probe_avg_mag_sqrd.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
diff --git a/gr-analog/python/analog/qa_pwr_squelch.py b/gr-analog/python/analog/qa_pwr_squelch.py
index 9f84a6140..c070849c7 100644
--- a/gr-analog/python/analog/qa_pwr_squelch.py
+++ b/gr-analog/python/analog/qa_pwr_squelch.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/qa_quadrature_demod.py b/gr-analog/python/analog/qa_quadrature_demod.py
index e3a513b9a..9ddb5f3a0 100644
--- a/gr-analog/python/analog/qa_quadrature_demod.py
+++ b/gr-analog/python/analog/qa_quadrature_demod.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/qa_rail_ff.py b/gr-analog/python/analog/qa_rail_ff.py
index 93cde00a9..48daa7a1d 100644
--- a/gr-analog/python/analog/qa_rail_ff.py
+++ b/gr-analog/python/analog/qa_rail_ff.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
diff --git a/gr-analog/python/analog/qa_random_uniform_source.py b/gr-analog/python/analog/qa_random_uniform_source.py
index d02ea7ea8..fc47847a9 100644
--- a/gr-analog/python/analog/qa_random_uniform_source.py
+++ b/gr-analog/python/analog/qa_random_uniform_source.py
@@ -5,20 +5,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
diff --git a/gr-analog/python/analog/qa_sig_source.py b/gr-analog/python/analog/qa_sig_source.py
index b5acf750c..54e408a36 100644
--- a/gr-analog/python/analog/qa_sig_source.py
+++ b/gr-analog/python/analog/qa_sig_source.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/qa_simple_squelch.py b/gr-analog/python/analog/qa_simple_squelch.py
index a0b09e719..c88904c27 100644
--- a/gr-analog/python/analog/qa_simple_squelch.py
+++ b/gr-analog/python/analog/qa_simple_squelch.py
@@ -4,20 +4,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import division
diff --git a/gr-analog/python/analog/standard_squelch.py b/gr-analog/python/analog/standard_squelch.py
index 9609f2449..b0b2ec0fb 100644
--- a/gr-analog/python/analog/standard_squelch.py
+++ b/gr-analog/python/analog/standard_squelch.py
@@ -5,20 +5,8 @@ from __future__ import unicode_literals
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
import math
diff --git a/gr-analog/python/analog/wfm_rcv.py b/gr-analog/python/analog/wfm_rcv.py
index c1f6dea33..e9c2f22ba 100644
--- a/gr-analog/python/analog/wfm_rcv.py
+++ b/gr-analog/python/analog/wfm_rcv.py
@@ -3,20 +3,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import absolute_import
diff --git a/gr-analog/python/analog/wfm_rcv_fmdet.py b/gr-analog/python/analog/wfm_rcv_fmdet.py
index e52c9c068..f9ad96f2a 100644
--- a/gr-analog/python/analog/wfm_rcv_fmdet.py
+++ b/gr-analog/python/analog/wfm_rcv_fmdet.py
@@ -3,20 +3,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import absolute_import
diff --git a/gr-analog/python/analog/wfm_rcv_pll.py b/gr-analog/python/analog/wfm_rcv_pll.py
index 3db47a7c7..3268ebbce 100644
--- a/gr-analog/python/analog/wfm_rcv_pll.py
+++ b/gr-analog/python/analog/wfm_rcv_pll.py
@@ -3,20 +3,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import absolute_import
diff --git a/gr-analog/python/analog/wfm_tx.py b/gr-analog/python/analog/wfm_tx.py
index 9f49ca3ca..9158fcf98 100644
--- a/gr-analog/python/analog/wfm_tx.py
+++ b/gr-analog/python/analog/wfm_tx.py
@@ -3,20 +3,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
#
from __future__ import print_function
diff --git a/gr-analog/swig/CMakeLists.txt b/gr-analog/swig/CMakeLists.txt
index e55e0f41e..ec99ab078 100644
--- a/gr-analog/swig/CMakeLists.txt
+++ b/gr-analog/swig/CMakeLists.txt
@@ -2,20 +2,8 @@
#
# This file is part of GNU Radio
#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# SPDX-License-Identifier: GPL-3.0-or-later
#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
########################################################################
# Setup swig generation
diff --git a/gr-analog/swig/analog_swig.i b/gr-analog/swig/analog_swig.i
index 23ab1c5cb..e48401438 100644
--- a/gr-analog/swig/analog_swig.i
+++ b/gr-analog/swig/analog_swig.i
@@ -3,20 +3,8 @@
*
* This file is part of GNU Radio
*
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
*
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
*/
#define ANALOG_API