6 files changed, 0 insertions, 3221 deletions
diff --git a/gr-fcd/examples/c++/CMakeLists.txt b/gr-fcd/examples/c++/CMakeLists.txt
deleted file mode 100644
index 346e95db3f..0000000000
--- a/gr-fcd/examples/c++/CMakeLists.txt
+++ /dev/null
@@ -1,37 +0,0 @@
-# Copyright 2012 Free Software Foundation, Inc.
-#
-# 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.
-#
-# 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_directories(
-    ${GR_FCD_INCLUDE_DIRS}
-    ${GR_FILTER_INCLUDE_DIRS}
-    ${GR_ANALOG_INCLUDE_DIRS}
-    ${GR_AUDIO_INCLUDE_DIRS}
-    ${GNURADIO_RUNTIME_INCLUDE_DIRS}
-    ${Boost_INCLUDE_DIRS}
-)
-
-add_executable(fcd_nfm_rx fcd_nfm_rx.cc)
-target_link_libraries(fcd_nfm_rx
-  gnuradio-fcd gnuradio-filter gnuradio-analog  gnuradio-audio)
-
-INSTALL(TARGETS
-    fcd_nfm_rx
-    DESTINATION ${GR_PKG_FCD_EXAMPLES_DIR}
-    COMPONENT "fcd_examples"
-)
diff --git a/gr-fcd/examples/c++/fcd_nfm_rx.cc b/gr-fcd/examples/c++/fcd_nfm_rx.cc
deleted file mode 100644
index 1c99a10d8c..0000000000
--- a/gr-fcd/examples/c++/fcd_nfm_rx.cc
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright 2011 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.
- *
- * 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.
- */
-
-/*
- * Simple GNU Radio C++ example for using the Funcube Dongle.
- *
- * Construct a simple narrow band FM receiver using the gr-fcd
- * block as source.
- *
- * This example uses "hw:1" as FCD source device and the default
- * audio device for output.
- *
- */
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-// Include header files for each block used in flowgraph
-#include <gnuradio/top_block.h>
-#include <gnuradio/filter/firdes.h>
-#include <gnuradio/filter/fir_filter_ccf.h>
-#include <gnuradio/analog/quadrature_demod_cf.h>
-#include <gnuradio/audio/sink.h>
-#include <gnuradio/fcd/source_c.h>
-
-// other includes
-#include <iostream>
-#include <boost/program_options.hpp>
-
-using namespace gr;
-namespace po = boost::program_options;
-
-int main(int argc, char **argv)
-{
-    int rate = 48000;		// Audio card sample rate
-    float pi = 3.141592654;
-
-
-    //variables to be set by po
-    std::string device;
-    int freq;
-    float gain;
-
-    //setup the program options
-    po::options_description desc("Command line options");
-    desc.add_options()
-        ("help", "This help message")
-        ("device", po::value<std::string>(&device)->default_value("hw:1"), "Audio input device")
-        ("freq", po::value<int>(&freq)->default_value(145500), "RF frequency in kHz")
-        ("gain", po::value<float>(&gain)->default_value(20.0), "LNA gain in dB")
-    ;
-    po::variables_map vm;
-    po::store(po::parse_command_line(argc, argv, desc), vm);
-    po::notify(vm);
-
-    //print the help message
-    if (vm.count("help")){
-        std::cout << "Narrow band FM receiver example" << std::endl << desc << std::endl;
-        return ~0;
-    }
-
-
-    // Construct a top block that will contain flowgraph blocks.
-    top_block_sptr tb = make_top_block("fcd_nfm_rx");
-
-    // FCD source
-    gr::fcd::source_c::sptr fcd = gr::fcd::source_c::make(device);
-    fcd->set_freq_khz(freq);
-    fcd->set_lna_gain(gain);
-
-    // Low pass filter
-    std::vector<float> taps = filter::firdes::low_pass(1.0, 96000, 5000.0, 1000.0);
-    filter::fir_filter_ccf::sptr filter = filter::fir_filter_ccf::make (2, taps);
-
-    // FM demodulator
-    // gain = sample_rate / (2*pi*max_dev)
-    analog::quadrature_demod_cf::sptr demod = \
-      analog::quadrature_demod_cf::make(rate/(2.0*pi*5000.0));
-
-    // Audio sink
-    audio::sink::sptr sink = audio::sink::make(rate);
-
-    // Connect blocks
-    tb->connect(fcd, 0, filter, 0);
-    tb->connect(filter, 0, demod, 0);
-    tb->connect(demod, 0, sink, 0);
-
-    // Tell GNU Radio runtime to start flowgraph threads; the foreground thread
-    // will block until either flowgraph exits (this example doesn't) or the
-    // application receives SIGINT (e.g., user hits CTRL-C).
-    //
-    // Real applications may use tb->start() which returns, allowing the foreground
-    // thread to proceed, then later use tb->stop(), followed by tb->wait(), to cleanup
-    // GNU Radio before exiting.
-    tb->run();
-
-    // Exit normally.
-    return 0;
-}
diff --git a/gr-fcd/examples/grc/CMakeLists.txt b/gr-fcd/examples/grc/CMakeLists.txt
deleted file mode 100644
index 5e883e3754..0000000000
--- a/gr-fcd/examples/grc/CMakeLists.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-# Copyright 2012 Free Software Foundation, Inc.
-#
-# 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.
-#
-# 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
-  fcd_apt_rx.grc
-  fcd_fft.grc
-  fcd_nfm_rx.grc
-  DESTINATION ${GR_PKG_FCD_EXAMPLES_DIR}
-  COMPONENT "fcd_examples"
-)
-\ No newline at end of file
diff --git a/gr-fcd/examples/grc/fcd_apt_rx.grc b/gr-fcd/examples/grc/fcd_apt_rx.grc
deleted file mode 100644
index f68d235f3e..0000000000
--- a/gr-fcd/examples/grc/fcd_apt_rx.grc
+++ /dev/null
@@ -1,1080 +0,0 @@
-<?xml version='1.0' encoding='ASCII'?>
-<flow_graph>
-  <timestamp>Mon Jul 14 15:02:48 2014</timestamp>
-  <block>
-    <key>options</key>
-    <param>
-      <key>id</key>
-      <value>fcd_apt_rx</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>NOAA APT Receiver</value>
-    </param>
-    <param>
-      <key>author</key>
-      <value>Alexandru Csete OZ9AEC</value>
-    </param>
-    <param>
-      <key>description</key>
-      <value></value>
-    </param>
-    <param>
-      <key>window_size</key>
-      <value>1280, 1024</value>
-    </param>
-    <param>
-      <key>generate_options</key>
-      <value>qt_gui</value>
-    </param>
-    <param>
-      <key>category</key>
-      <value>Custom</value>
-    </param>
-    <param>
-      <key>run_options</key>
-      <value>prompt</value>
-    </param>
-    <param>
-      <key>run</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>max_nouts</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>realtime_scheduling</key>
-      <value></value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(10, 10)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>wav_file</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>prefix + datetime.now().strftime("%Y.%m.%d.%H.%M.%S") + ".wav"</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(803, 441)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>prefix</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>"FCD_APT_REC-"</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(666, 442)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>96000</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(190, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>max_dev</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>17000</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(282, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>fcd_source_c</key>
-    <param>
-      <key>id</key>
-      <value>fcd_source_c_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>device_name</key>
-      <value>hw:0</value>
-    </param>
-    <param>
-      <key>freq</key>
-      <value>sat_freq</value>
-    </param>
-    <param>
-      <key>lna</key>
-      <value>fcd_lna_gain</value>
-    </param>
-    <param>
-      <key>mixer</key>
-      <value>+12</value>
-    </param>
-    <param>
-      <key>ppm</key>
-      <value>-120</value>
-    </param>
-    <param>
-      <key>dci</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>dcq</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>iq_phase</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>iq_gain</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(65, 134)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>analog_fm_demod_cf</key>
-    <param>
-      <key>id</key>
-      <value>analog_fm_demod_cf_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>chan_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>audio_decim</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>deviation</key>
-      <value>max_dev</value>
-    </param>
-    <param>
-      <key>audio_pass</key>
-      <value>5000</value>
-    </param>
-    <param>
-      <key>audio_stop</key>
-      <value>7000</value>
-    </param>
-    <param>
-      <key>gain</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>tau</key>
-      <value>75e-6</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(602, 150)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>rational_resampler_xxx</key>
-    <param>
-      <key>id</key>
-      <value>rational_resampler_xxx_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>fff</value>
-    </param>
-    <param>
-      <key>interp</key>
-      <value>11025</value>
-    </param>
-    <param>
-      <key>decim</key>
-      <value>48000</value>
-    </param>
-    <param>
-      <key>taps</key>
-      <value>[]</value>
-    </param>
-    <param>
-      <key>fbw</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(588, 342)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>audio_sink</key>
-    <param>
-      <key>id</key>
-      <value>audio_sink</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>48000</value>
-    </param>
-    <param>
-      <key>device_name</key>
-      <value></value>
-    </param>
-    <param>
-      <key>ok_to_block</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>num_inputs</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(831, 198)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>import</key>
-    <param>
-      <key>id</key>
-      <value>import_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>import</key>
-      <value>from datetime import datetime</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(549, 442)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blocks_wavfile_sink</key>
-    <param>
-      <key>id</key>
-      <value>wavfile_sink</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>file</key>
-      <value>wav_file</value>
-    </param>
-    <param>
-      <key>nchan</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>11025</value>
-    </param>
-    <param>
-      <key>bits_per_sample</key>
-      <value>16</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(842, 350)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>low_pass_filter</key>
-    <param>
-      <key>id</key>
-      <value>low_pass_filter</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>fir_filter_ccf</value>
-    </param>
-    <param>
-      <key>decim</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>interp</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>gain</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>cutoff_freq</key>
-      <value>25000</value>
-    </param>
-    <param>
-      <key>width</key>
-      <value>5000</value>
-    </param>
-    <param>
-      <key>win</key>
-      <value>firdes.WIN_HAMMING</value>
-    </param>
-    <param>
-      <key>beta</key>
-      <value>6.76</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(403, 150)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_chooser</key>
-    <param>
-      <key>id</key>
-      <value>sat_freq</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Satellite</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>num_opts</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>137500000</value>
-    </param>
-    <param>
-      <key>options</key>
-      <value>[137500000,137620000,137912500,137100000]</value>
-    </param>
-    <param>
-      <key>labels</key>
-      <value>["NOAA-15","NOAA-17","NOAA-18","NOAA-19"]</value>
-    </param>
-    <param>
-      <key>option0</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>label0</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option1</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>label1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option2</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>label2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option3</key>
-      <value>3</value>
-    </param>
-    <param>
-      <key>label3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option4</key>
-      <value>4</value>
-    </param>
-    <param>
-      <key>label4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>combo_box</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.QVBoxLayout</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>1,0,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(57, 360)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_label</key>
-    <param>
-      <key>id</key>
-      <value>rec_info</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Recording to</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>string</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>wav_file</value>
-    </param>
-    <param>
-      <key>formatter</key>
-      <value>None</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>1,1,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(761, 20)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>qtgui_freq_sink_x</key>
-    <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>name</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>fftsize</key>
-      <value>512</value>
-    </param>
-    <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
-    </param>
-    <param>
-      <key>fc</key>
-      <value>sat_freq</value>
-    </param>
-    <param>
-      <key>bw</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>grid</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>autoscale</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>average</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>ymin</key>
-      <value>-140</value>
-    </param>
-    <param>
-      <key>ymax</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>nconnections</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>update_time</key>
-      <value>0.10</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>0,0,1,2</value>
-    </param>
-    <param>
-      <key>showports</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width1</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color1</key>
-      <value>"blue"</value>
-    </param>
-    <param>
-      <key>alpha1</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width2</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color2</key>
-      <value>"red"</value>
-    </param>
-    <param>
-      <key>alpha2</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width3</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color3</key>
-      <value>"green"</value>
-    </param>
-    <param>
-      <key>alpha3</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width4</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color4</key>
-      <value>"black"</value>
-    </param>
-    <param>
-      <key>alpha4</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width5</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color5</key>
-      <value>"cyan"</value>
-    </param>
-    <param>
-      <key>alpha5</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width6</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color6</key>
-      <value>"magenta"</value>
-    </param>
-    <param>
-      <key>alpha6</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label7</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width7</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color7</key>
-      <value>"yellow"</value>
-    </param>
-    <param>
-      <key>alpha7</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label8</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width8</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color8</key>
-      <value>"dark red"</value>
-    </param>
-    <param>
-      <key>alpha8</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label9</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width9</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color9</key>
-      <value>"dark green"</value>
-    </param>
-    <param>
-      <key>alpha9</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label10</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width10</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color10</key>
-      <value>"dark blue"</value>
-    </param>
-    <param>
-      <key>alpha10</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(399, 50)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_chooser</key>
-    <param>
-      <key>id</key>
-      <value>fcd_lna_gain</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>LNA Gain (dB)</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>num_opts</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>options</key>
-      <value>[30.0, 25.0, 20.0, 17.5, 15.0, 12.5, 10.0, 7.5, 5.0, 2.5, 0.0, -2.5, -5.0]</value>
-    </param>
-    <param>
-      <key>labels</key>
-      <value>[]</value>
-    </param>
-    <param>
-      <key>option0</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>label0</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option1</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>label1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option2</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>label2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option3</key>
-      <value>3</value>
-    </param>
-    <param>
-      <key>label3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option4</key>
-      <value>4</value>
-    </param>
-    <param>
-      <key>label4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>combo_box</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.QVBoxLayout</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>2,0,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(247, 363)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <connection>
-    <source_block_id>fcd_source_c_0</source_block_id>
-    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>analog_fm_demod_cf_0</source_block_id>
-    <sink_block_id>rational_resampler_xxx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>analog_fm_demod_cf_0</source_block_id>
-    <sink_block_id>audio_sink</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>low_pass_filter</source_block_id>
-    <sink_block_id>analog_fm_demod_cf_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>fcd_source_c_0</source_block_id>
-    <sink_block_id>low_pass_filter</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>rational_resampler_xxx_0</source_block_id>
-    <sink_block_id>wavfile_sink</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-</flow_graph>
diff --git a/gr-fcd/examples/grc/fcd_fft.grc b/gr-fcd/examples/grc/fcd_fft.grc
deleted file mode 100644
index 5a91fca4f4..0000000000
--- a/gr-fcd/examples/grc/fcd_fft.grc
+++ /dev/null
@@ -1,564 +0,0 @@
-<?xml version='1.0' encoding='ASCII'?>
-<flow_graph>
-  <timestamp>Mon Jul 14 14:53:06 2014</timestamp>
-  <block>
-    <key>options</key>
-    <param>
-      <key>id</key>
-      <value>fcd_fft</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>Funcube Dongle FFT scope</value>
-    </param>
-    <param>
-      <key>author</key>
-      <value>Alexandru Csete OZ9AEC</value>
-    </param>
-    <param>
-      <key>description</key>
-      <value></value>
-    </param>
-    <param>
-      <key>window_size</key>
-      <value>1280, 1024</value>
-    </param>
-    <param>
-      <key>generate_options</key>
-      <value>qt_gui</value>
-    </param>
-    <param>
-      <key>category</key>
-      <value>Custom</value>
-    </param>
-    <param>
-      <key>run_options</key>
-      <value>prompt</value>
-    </param>
-    <param>
-      <key>run</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>max_nouts</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>realtime_scheduling</key>
-      <value></value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(10, 10)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>96000</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(201, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_entry</key>
-    <param>
-      <key>id</key>
-      <value>fcd_freq</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>FCD Freq</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>145.5e6</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>1,0,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(299, 12)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_chooser</key>
-    <param>
-      <key>id</key>
-      <value>fcd_lna_gain</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>LNA Gain (dB)</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>num_opts</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>options</key>
-      <value>[30.0, 25.0, 20.0, 17.5, 15.0, 12.5, 10.0, 7.5, 5.0, 2.5, 0.0, -2.5, -5.0]</value>
-    </param>
-    <param>
-      <key>labels</key>
-      <value>[]</value>
-    </param>
-    <param>
-      <key>option0</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>label0</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option1</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>label1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option2</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>label2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option3</key>
-      <value>3</value>
-    </param>
-    <param>
-      <key>label3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option4</key>
-      <value>4</value>
-    </param>
-    <param>
-      <key>label4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>combo_box</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.QVBoxLayout</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>2,0,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(439, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>fcd_source_c</key>
-    <param>
-      <key>id</key>
-      <value>fcd_source_c_1</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>device_name</key>
-      <value>hw:0</value>
-    </param>
-    <param>
-      <key>freq</key>
-      <value>fcd_freq</value>
-    </param>
-    <param>
-      <key>lna</key>
-      <value>fcd_lna_gain</value>
-    </param>
-    <param>
-      <key>mixer</key>
-      <value>+12</value>
-    </param>
-    <param>
-      <key>ppm</key>
-      <value>-120</value>
-    </param>
-    <param>
-      <key>dci</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>dcq</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>iq_phase</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>iq_gain</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(13, 134)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>qtgui_freq_sink_x</key>
-    <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>name</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>fftsize</key>
-      <value>512</value>
-    </param>
-    <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
-    </param>
-    <param>
-      <key>fc</key>
-      <value>fcd_freq</value>
-    </param>
-    <param>
-      <key>bw</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>grid</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>autoscale</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>average</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>ymin</key>
-      <value>-140</value>
-    </param>
-    <param>
-      <key>ymax</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>nconnections</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>update_time</key>
-      <value>0.05</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>0,0,1,2</value>
-    </param>
-    <param>
-      <key>showports</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width1</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color1</key>
-      <value>"blue"</value>
-    </param>
-    <param>
-      <key>alpha1</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width2</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color2</key>
-      <value>"red"</value>
-    </param>
-    <param>
-      <key>alpha2</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width3</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color3</key>
-      <value>"green"</value>
-    </param>
-    <param>
-      <key>alpha3</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width4</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color4</key>
-      <value>"black"</value>
-    </param>
-    <param>
-      <key>alpha4</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width5</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color5</key>
-      <value>"cyan"</value>
-    </param>
-    <param>
-      <key>alpha5</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width6</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color6</key>
-      <value>"magenta"</value>
-    </param>
-    <param>
-      <key>alpha6</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label7</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width7</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color7</key>
-      <value>"yellow"</value>
-    </param>
-    <param>
-      <key>alpha7</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label8</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width8</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color8</key>
-      <value>"dark red"</value>
-    </param>
-    <param>
-      <key>alpha8</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label9</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width9</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color9</key>
-      <value>"dark green"</value>
-    </param>
-    <param>
-      <key>alpha9</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label10</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width10</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color10</key>
-      <value>"dark blue"</value>
-    </param>
-    <param>
-      <key>alpha10</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(282, 182)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <connection>
-    <source_block_id>fcd_source_c_1</source_block_id>
-    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-</flow_graph>
diff --git a/gr-fcd/examples/grc/fcd_nfm_rx.grc b/gr-fcd/examples/grc/fcd_nfm_rx.grc
deleted file mode 100644
index af56c4f28e..0000000000
--- a/gr-fcd/examples/grc/fcd_nfm_rx.grc
+++ /dev/null
@@ -1,1399 +0,0 @@
-<?xml version='1.0' encoding='ASCII'?>
-<flow_graph>
-  <timestamp>Mon Jul 14 15:02:45 2014</timestamp>
-  <block>
-    <key>options</key>
-    <param>
-      <key>id</key>
-      <value>fcd_nfm_rx</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>FCD FM Receiver</value>
-    </param>
-    <param>
-      <key>author</key>
-      <value>OZ9AEC</value>
-    </param>
-    <param>
-      <key>description</key>
-      <value>Simple FM receiver using the Funcube Dongle</value>
-    </param>
-    <param>
-      <key>window_size</key>
-      <value>1280, 1024</value>
-    </param>
-    <param>
-      <key>generate_options</key>
-      <value>qt_gui</value>
-    </param>
-    <param>
-      <key>category</key>
-      <value>Custom</value>
-    </param>
-    <param>
-      <key>run_options</key>
-      <value>prompt</value>
-    </param>
-    <param>
-      <key>run</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>max_nouts</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>realtime_scheduling</key>
-      <value></value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(10, 10)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>xlate_filter_taps</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>firdes.low_pass(1, samp_rate, 48000, 5000, firdes.WIN_HAMMING, 6.76)</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(428, 294)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>96000</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(182, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>low_pass_filter</key>
-    <param>
-      <key>id</key>
-      <value>low_pass_filter</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>fir_filter_ccf</value>
-    </param>
-    <param>
-      <key>decim</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>interp</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>gain</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>cutoff_freq</key>
-      <value>width/2</value>
-    </param>
-    <param>
-      <key>width</key>
-      <value>trans</value>
-    </param>
-    <param>
-      <key>win</key>
-      <value>firdes.WIN_HAMMING</value>
-    </param>
-    <param>
-      <key>beta</key>
-      <value>6.76</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(742, 266)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>fcd_source_c</key>
-    <param>
-      <key>id</key>
-      <value>fcd_source_c_1</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>device_name</key>
-      <value>hw:0</value>
-    </param>
-    <param>
-      <key>freq</key>
-      <value>freq</value>
-    </param>
-    <param>
-      <key>lna</key>
-      <value>rf_gain</value>
-    </param>
-    <param>
-      <key>mixer</key>
-      <value>+12</value>
-    </param>
-    <param>
-      <key>ppm</key>
-      <value>-120</value>
-    </param>
-    <param>
-      <key>dci</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>dcq</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>iq_phase</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>iq_gain</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(165, 157)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>freq_xlating_fir_filter_xxx</key>
-    <param>
-      <key>id</key>
-      <value>freq_xlating_fir_filter_xxx_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>ccc</value>
-    </param>
-    <param>
-      <key>decim</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>taps</key>
-      <value>xlate_filter_taps</value>
-    </param>
-    <param>
-      <key>center_freq</key>
-      <value>-(offset_coarse+offset_fine)</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(422, 173)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>qtgui_freq_sink_x</key>
-    <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>name</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>fftsize</key>
-      <value>512</value>
-    </param>
-    <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
-    </param>
-    <param>
-      <key>fc</key>
-      <value>rx_freq*display_selector</value>
-    </param>
-    <param>
-      <key>bw</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>grid</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>autoscale</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>average</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>ymin</key>
-      <value>-140</value>
-    </param>
-    <param>
-      <key>ymax</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>nconnections</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>update_time</key>
-      <value>0.05</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>0,0,5,4</value>
-    </param>
-    <param>
-      <key>showports</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width1</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color1</key>
-      <value>"blue"</value>
-    </param>
-    <param>
-      <key>alpha1</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width2</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color2</key>
-      <value>"red"</value>
-    </param>
-    <param>
-      <key>alpha2</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width3</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color3</key>
-      <value>"green"</value>
-    </param>
-    <param>
-      <key>alpha3</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width4</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color4</key>
-      <value>"black"</value>
-    </param>
-    <param>
-      <key>alpha4</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width5</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color5</key>
-      <value>"cyan"</value>
-    </param>
-    <param>
-      <key>alpha5</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width6</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color6</key>
-      <value>"magenta"</value>
-    </param>
-    <param>
-      <key>alpha6</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label7</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width7</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color7</key>
-      <value>"yellow"</value>
-    </param>
-    <param>
-      <key>alpha7</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label8</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width8</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color8</key>
-      <value>"dark red"</value>
-    </param>
-    <param>
-      <key>alpha8</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label9</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width9</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color9</key>
-      <value>"dark green"</value>
-    </param>
-    <param>
-      <key>alpha9</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label10</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width10</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color10</key>
-      <value>"dark blue"</value>
-    </param>
-    <param>
-      <key>alpha10</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(732, 165)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_entry</key>
-    <param>
-      <key>id</key>
-      <value>freq</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>FCD Freq</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>144.47e6</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>5,1,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(282, 10)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_label</key>
-    <param>
-      <key>id</key>
-      <value>rx_freq</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Receive</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>freq+(offset_coarse+offset_fine)</value>
-    </param>
-    <param>
-      <key>formatter</key>
-      <value>None</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>4,3,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(430, 10)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>analog_simple_squelch_cc</key>
-    <param>
-      <key>id</key>
-      <value>analog_simple_squelch_cc_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>threshold</key>
-      <value>sql_lev</value>
-    </param>
-    <param>
-      <key>alpha</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(199, 498)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>analog_nbfm_rx</key>
-    <param>
-      <key>id</key>
-      <value>analog_nbfm_rx_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>audio_rate</key>
-      <value>48000</value>
-    </param>
-    <param>
-      <key>quad_rate</key>
-      <value>96000</value>
-    </param>
-    <param>
-      <key>tau</key>
-      <value>75e-6</value>
-    </param>
-    <param>
-      <key>max_dev</key>
-      <value>5e3</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(391, 482)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blocks_multiply_const_vxx</key>
-    <param>
-      <key>id</key>
-      <value>blocks_multiply_const_vxx_1</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>float</value>
-    </param>
-    <param>
-      <key>const</key>
-      <value>af_gain</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(580, 506)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>audio_sink</key>
-    <param>
-      <key>id</key>
-      <value>audio_sink</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>48000</value>
-    </param>
-    <param>
-      <key>device_name</key>
-      <value></value>
-    </param>
-    <param>
-      <key>ok_to_block</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>num_inputs</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(757, 510)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>offset_coarse</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Coarse Tune</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>-48000</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>48000</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>200</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>6,2,1,2</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(11, 123)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>offset_fine</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Fine Tune</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>-1000</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>1000</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>200</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>6,0,1,2</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(11, 250)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>width</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Filter</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>10000</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>2000</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>40000</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>200</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>7,0,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(11, 377)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>trans</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Trans</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>1500</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>500</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>5000</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>200</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>8,0,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(10, 504)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>rf_gain</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>RF</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>-5</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>30</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>200</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>7,1,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(10, 632)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>af_gain</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>VOL</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>5</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>0.1</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>200</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>8,1,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(124, 632)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>sql_lev</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>SQL</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>-100</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>-100</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>200</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>7,2,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(232, 632)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_chooser</key>
-    <param>
-      <key>id</key>
-      <value>display_selector</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Spectrum</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>num_opts</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>options</key>
-      <value>[0,1]</value>
-    </param>
-    <param>
-      <key>labels</key>
-      <value>['Baseband','RF']</value>
-    </param>
-    <param>
-      <key>option0</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>label0</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option1</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>label1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option2</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>label2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option3</key>
-      <value>3</value>
-    </param>
-    <param>
-      <key>label3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>option4</key>
-      <value>4</value>
-    </param>
-    <param>
-      <key>label4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>combo_box</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.QVBoxLayout</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>5,0,1,1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(356, 632)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <connection>
-    <source_block_id>blocks_multiply_const_vxx_1</source_block_id>
-    <sink_block_id>audio_sink</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>1</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_multiply_const_vxx_1</source_block_id>
-    <sink_block_id>audio_sink</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>fcd_source_c_1</source_block_id>
-    <sink_block_id>freq_xlating_fir_filter_xxx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>freq_xlating_fir_filter_xxx_0</source_block_id>
-    <sink_block_id>low_pass_filter</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>low_pass_filter</source_block_id>
-    <sink_block_id>analog_simple_squelch_cc_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>analog_simple_squelch_cc_0</source_block_id>
-    <sink_block_id>analog_nbfm_rx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>analog_nbfm_rx_0</source_block_id>
-    <sink_block_id>blocks_multiply_const_vxx_1</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>freq_xlating_fir_filter_xxx_0</source_block_id>
-    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-</flow_graph>