<?xml version='1.0' encoding='ASCII'?> <flow_graph> <timestamp>Mon Aug 20 19:52:22 2012</timestamp> <block> <key>options</key> <param> <key>id</key> <value>gfsk_loopback</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>title</key> <value></value> </param> <param> <key>author</key> <value></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>_coordinate</key> <value>(10, 10)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_throttle</key> <param> <key>id</key> <value>gr_throttle_0_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>samples_per_second</key> <value>samp_rate</value> </param> <param> <key>vlen</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(413, 50)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>fm_sensitivity</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>1.0</value> </param> <param> <key>_coordinate</key> <value>(14, 273)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>sps</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>4</value> </param> <param> <key>_coordinate</key> <value>(15, 338)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_sig_source_x</key> <param> <key>id</key> <value>gr_sig_source_x_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>samp_rate</key> <value>samp_rate</value> </param> <param> <key>waveform</key> <value>gr.GR_COS_WAVE</value> </param> <param> <key>freq</key> <value>freq</value> </param> <param> <key>amp</key> <value>1</value> </param> <param> <key>offset</key> <value>0</value> </param> <param> <key>_coordinate</key> <value>(215, 18)</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>32000</value> </param> <param> <key>_coordinate</key> <value>(12, 76)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_qtgui_range</key> <param> <key>id</key> <value>freq</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>label</key> <value></value> </param> <param> <key>value</key> <value>500</value> </param> <param> <key>start</key> <value>0</value> </param> <param> <key>stop</key> <value>500</value> </param> <param> <key>step</key> <value>1</value> </param> <param> <key>widget</key> <value>counter_slider</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></value> </param> <param> <key>_coordinate</key> <value>(13, 152)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>qtgui_time_sink_x</key> <param> <key>id</key> <value>qtgui_time_sink_x_1</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>name</key> <value>QT GUI Plot</value> </param> <param> <key>size</key> <value>1024</value> </param> <param> <key>bw</key> <value>samp_rate</value> </param> <param> <key>nconnections</key> <value>1</value> </param> <param> <key>gui_hint</key> <value></value> </param> <param> <key>_coordinate</key> <value>(906, 122)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>qtgui_time_sink_x</key> <param> <key>id</key> <value>qtgui_time_sink_x_1_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>name</key> <value>QT GUI Plot</value> </param> <param> <key>size</key> <value>1024</value> </param> <param> <key>bw</key> <value>samp_rate</value> </param> <param> <key>nconnections</key> <value>1</value> </param> <param> <key>gui_hint</key> <value></value> </param> <param> <key>_coordinate</key> <value>(888, 386)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>digital_gfsk_mod</key> <param> <key>id</key> <value>digital_gfsk_mod_0</value> </param> <param> <key>_enabled</key> <value>False</value> </param> <param> <key>samples_per_symbol</key> <value>sps</value> </param> <param> <key>sensitivity</key> <value>fm_sensitivity</value> </param> <param> <key>bt</key> <value>0.35</value> </param> <param> <key>verbose</key> <value>False</value> </param> <param> <key>log</key> <value>False</value> </param> <param> <key>_coordinate</key> <value>(456, 277)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>digital_gfsk_demod</key> <param> <key>id</key> <value>digital_gfsk_demod_0</value> </param> <param> <key>_enabled</key> <value>False</value> </param> <param> <key>samples_per_symbol</key> <value>sps</value> </param> <param> <key>sensitivity</key> <value>fm_sensitivity</value> </param> <param> <key>gain_mu</key> <value>0.175</value> </param> <param> <key>mu</key> <value>0.5</value> </param> <param> <key>omega_relative_limit</key> <value>0.005</value> </param> <param> <key>freq_error</key> <value>0.0</value> </param> <param> <key>verbose</key> <value>False</value> </param> <param> <key>log</key> <value>False</value> </param> <param> <key>_coordinate</key> <value>(670, 253)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>blks2_packet_encoder</key> <param> <key>id</key> <value>blks2_packet_encoder_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>samples_per_symbol</key> <value>sps</value> </param> <param> <key>bits_per_symbol</key> <value>1</value> </param> <param> <key>access_code</key> <value></value> </param> <param> <key>pad_for_usrp</key> <value>True</value> </param> <param> <key>payload_length</key> <value>0</value> </param> <param> <key>_coordinate</key> <value>(237, 261)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>digital_gmsk_mod</key> <param> <key>id</key> <value>digital_gmsk_mod_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>samples_per_symbol</key> <value>2</value> </param> <param> <key>bt</key> <value>0.35</value> </param> <param> <key>verbose</key> <value>False</value> </param> <param> <key>log</key> <value>False</value> </param> <param> <key>_coordinate</key> <value>(342, 457)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_quadrature_demod_cf</key> <param> <key>id</key> <value>gr_quadrature_demod_cf_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>gain</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(679, 402)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>blks2_packet_decoder</key> <param> <key>id</key> <value>blks2_packet_decoder_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>access_code</key> <value></value> </param> <param> <key>threshold</key> <value>-1</value> </param> <param> <key>_coordinate</key> <value>(720, 130)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>digital_gmsk_demod</key> <param> <key>id</key> <value>digital_gmsk_demod_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>samples_per_symbol</key> <value>2</value> </param> <param> <key>gain_mu</key> <value>0.175</value> </param> <param> <key>mu</key> <value>0.5</value> </param> <param> <key>omega_relative_limit</key> <value>0.005</value> </param> <param> <key>freq_error</key> <value>0.0</value> </param> <param> <key>verbose</key> <value>False</value> </param> <param> <key>log</key> <value>False</value> </param> <param> <key>_coordinate</key> <value>(622, 498)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <connection> <source_block_id>gr_sig_source_x_0</source_block_id> <sink_block_id>gr_throttle_0_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>blks2_packet_encoder_0</source_block_id> <sink_block_id>digital_gfsk_mod_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>gr_throttle_0_0</source_block_id> <sink_block_id>blks2_packet_encoder_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>digital_gfsk_mod_0</source_block_id> <sink_block_id>gr_quadrature_demod_cf_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>digital_gfsk_demod_0</source_block_id> <sink_block_id>blks2_packet_decoder_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>digital_gfsk_mod_0</source_block_id> <sink_block_id>digital_gfsk_demod_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>blks2_packet_decoder_0</source_block_id> <sink_block_id>qtgui_time_sink_x_1</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>gr_quadrature_demod_cf_0</source_block_id> <sink_block_id>qtgui_time_sink_x_1_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>blks2_packet_encoder_0</source_block_id> <sink_block_id>digital_gmsk_mod_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>digital_gmsk_mod_0</source_block_id> <sink_block_id>digital_gmsk_demod_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>digital_gmsk_mod_0</source_block_id> <sink_block_id>gr_quadrature_demod_cf_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>digital_gmsk_demod_0</source_block_id> <sink_block_id>blks2_packet_decoder_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> </flow_graph>