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- <?xml version='1.0' encoding='ASCII'?>
- <flow_graph>
- <timestamp>Thu Apr 26 10:49:33 2012</timestamp>
- <block>
- <key>variable</key>
- <param>
- <key>id</key>
- <value>channel_rate</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>value</key>
- <value>24000</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(226, 405)</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>import math</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(237, 348)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>blks2_rational_resampler_xxx</key>
- <param>
- <key>id</key>
- <value>blks2_rational_resampler_xxx_1</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>ccc</value>
- </param>
- <param>
- <key>decim</key>
- <value>pre_channel_rate</value>
- </param>
- <param>
- <key>interp</key>
- <value>channel_rate</value>
- </param>
- <param>
- <key>taps</key>
- <value>[]</value>
- </param>
- <param>
- <key>fractional_bw</key>
- <value>0</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(902, 342)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>blks2_nbfm_rx</key>
- <param>
- <key>id</key>
- <value>blks2_nbfm_rx_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>audio_rate</key>
- <value>audio_rate</value>
- </param>
- <param>
- <key>quad_rate</key>
- <value>channel_rate</value>
- </param>
- <param>
- <key>tau</key>
- <value>75e-6</value>
- </param>
- <param>
- <key>max_dev</key>
- <value>6e3</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(1106, 342)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>gr_freq_xlating_fir_filter_xxx</key>
- <param>
- <key>id</key>
- <value>gr_freq_xlating_fir_filter_xxx_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
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- <param>
- <key>type</key>
- <value>ccc</value>
- </param>
- <param>
- <key>decim</key>
- <value>decim</value>
- </param>
- <param>
- <key>taps</key>
- <value>firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 1000)</value>
- </param>
- <param>
- <key>center_freq</key>
- <value>freq-xlate_offset1</value>
- </param>
- <param>
- <key>samp_rate</key>
- <value>samp_rate</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(454, 342)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable</key>
- <param>
- <key>id</key>
- <value>pre_channel_rate</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>value</key>
- <value>samp_rate/decim</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(353, 15)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>gr_freq_xlating_fir_filter_xxx</key>
- <param>
- <key>id</key>
- <value>gr_freq_xlating_fir_filter_xxx_0_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>ccc</value>
- </param>
- <param>
- <key>decim</key>
- <value>decim</value>
- </param>
- <param>
- <key>taps</key>
- <value>firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 1000)</value>
- </param>
- <param>
- <key>center_freq</key>
- <value>freq-xlate_offset2</value>
- </param>
- <param>
- <key>samp_rate</key>
- <value>samp_rate</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(465, 469)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>blks2_rational_resampler_xxx</key>
- <param>
- <key>id</key>
- <value>blks2_rational_resampler_xxx_1_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>ccc</value>
- </param>
- <param>
- <key>decim</key>
- <value>pre_channel_rate</value>
- </param>
- <param>
- <key>interp</key>
- <value>channel_rate</value>
- </param>
- <param>
- <key>taps</key>
- <value>[]</value>
- </param>
- <param>
- <key>fractional_bw</key>
- <value>0</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(900, 471)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>blks2_nbfm_rx</key>
- <param>
- <key>id</key>
- <value>blks2_nbfm_rx_0_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>audio_rate</key>
- <value>audio_rate</value>
- </param>
- <param>
- <key>quad_rate</key>
- <value>channel_rate</value>
- </param>
- <param>
- <key>tau</key>
- <value>75e-6</value>
- </param>
- <param>
- <key>max_dev</key>
- <value>6e3</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(1101, 471)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>gr_pwr_squelch_xx</key>
- <param>
- <key>id</key>
- <value>gr_pwr_squelch_xx_0_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>complex</value>
- </param>
- <param>
- <key>threshold</key>
- <value>sql_thresh2</value>
- </param>
- <param>
- <key>alpha</key>
- <value>1e-3</value>
- </param>
- <param>
- <key>ramp</key>
- <value>0</value>
- </param>
- <param>
- <key>gate</key>
- <value>False</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(710, 469)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_config</key>
- <param>
- <key>id</key>
- <value>config_sql_thresh1</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>value</key>
- <value>-20</value>
- </param>
- <param>
- <key>type</key>
- <value>real</value>
- </param>
- <param>
- <key>config_file</key>
- <value>.grc_rtl</value>
- </param>
- <param>
- <key>section</key>
- <value>main</value>
- </param>
- <param>
- <key>option</key>
- <value>sql_thresh1</value>
- </param>
- <param>
- <key>writeback</key>
- <value>sql_thresh1</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(40, 1312)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_config</key>
- <param>
- <key>id</key>
- <value>config_xlate_offset1</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>value</key>
- <value>0</value>
- </param>
- <param>
- <key>type</key>
- <value>real</value>
- </param>
- <param>
- <key>config_file</key>
- <value>.grc_rtl</value>
- </param>
- <param>
- <key>section</key>
- <value>main</value>
- </param>
- <param>
- <key>option</key>
- <value>xlate_offset1</value>
- </param>
- <param>
- <key>writeback</key>
- <value>xlate_offset1</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(34, 1153)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_config</key>
- <param>
- <key>id</key>
- <value>config_sql_thresh2</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>value</key>
- <value>-20</value>
- </param>
- <param>
- <key>type</key>
- <value>real</value>
- </param>
- <param>
- <key>config_file</key>
- <value>.grc_rtl</value>
- </param>
- <param>
- <key>section</key>
- <value>main</value>
- </param>
- <param>
- <key>option</key>
- <value>sql_thresh2</value>
- </param>
- <param>
- <key>writeback</key>
- <value>sql_thresh2</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(180, 1312)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_config</key>
- <param>
- <key>id</key>
- <value>config_xlate_offset2</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>value</key>
- <value>0</value>
- </param>
- <param>
- <key>type</key>
- <value>real</value>
- </param>
- <param>
- <key>config_file</key>
- <value>.grc_rtl</value>
- </param>
- <param>
- <key>section</key>
- <value>main</value>
- </param>
- <param>
- <key>option</key>
- <value>xlate_offset2</value>
- </param>
- <param>
- <key>writeback</key>
- <value>xlate_offset2</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(181, 1150)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_text_box</key>
- <param>
- <key>id</key>
- <value>xlate_offset1</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>label</key>
- <value>RX Frequency 1</value>
- </param>
- <param>
- <key>value</key>
- <value>config_xlate_offset1</value>
- </param>
- <param>
- <key>converver</key>
- <value>float_converter</value>
- </param>
- <param>
- <key>formatter</key>
- <value>None</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value>0,0,1,2</value>
- </param>
- <param>
- <key>notebook</key>
- <value></value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(24, 793)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_text_box</key>
- <param>
- <key>id</key>
- <value>xlate_offset2</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>label</key>
- <value>RX Frequency 2</value>
- </param>
- <param>
- <key>value</key>
- <value>config_xlate_offset2</value>
- </param>
- <param>
- <key>converver</key>
- <value>float_converter</value>
- </param>
- <param>
- <key>formatter</key>
- <value>None</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value>1,0,1,2</value>
- </param>
- <param>
- <key>notebook</key>
- <value></value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(172, 793)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_slider</key>
- <param>
- <key>id</key>
- <value>sql_thresh1</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>label</key>
- <value>Squelch Threshold</value>
- </param>
- <param>
- <key>value</key>
- <value>config_sql_thresh1</value>
- </param>
- <param>
- <key>min</key>
- <value>-100</value>
- </param>
- <param>
- <key>max</key>
- <value>100</value>
- </param>
- <param>
- <key>num_steps</key>
- <value>1000</value>
- </param>
- <param>
- <key>style</key>
- <value>wx.SL_HORIZONTAL</value>
- </param>
- <param>
- <key>converver</key>
- <value>float_converter</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value>0,3,1,3</value>
- </param>
- <param>
- <key>notebook</key>
- <value></value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(20, 905)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_slider</key>
- <param>
- <key>id</key>
- <value>sql_thresh2</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>label</key>
- <value>Squelch Threshold 2</value>
- </param>
- <param>
- <key>value</key>
- <value>config_sql_thresh2</value>
- </param>
- <param>
- <key>min</key>
- <value>-100</value>
- </param>
- <param>
- <key>max</key>
- <value>100</value>
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- <param>
- <key>num_steps</key>
- <value>1000</value>
- </param>
- <param>
- <key>style</key>
- <value>wx.SL_HORIZONTAL</value>
- </param>
- <param>
- <key>converver</key>
- <value>float_converter</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value>1,3,1,3</value>
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- <param>
- <key>notebook</key>
- <value></value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(173, 906)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable</key>
- <param>
- <key>id</key>
- <value>audio_rate</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>value</key>
- <value>12000</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(142, 255)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_slider</key>
- <param>
- <key>id</key>
- <value>gain</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>label</key>
- <value>RX Gain</value>
- </param>
- <param>
- <key>value</key>
- <value>1</value>
- </param>
- <param>
- <key>min</key>
- <value>0</value>
- </param>
- <param>
- <key>max</key>
- <value>1</value>
- </param>
- <param>
- <key>num_steps</key>
- <value>100</value>
- </param>
- <param>
- <key>style</key>
- <value>wx.SL_HORIZONTAL</value>
- </param>
- <param>
- <key>converver</key>
- <value>float_converter</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value>2,6,1,1</value>
- </param>
- <param>
- <key>notebook</key>
- <value></value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(6, 448)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_slider</key>
- <param>
- <key>id</key>
- <value>audio_mul</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>label</key>
- <value>Volume</value>
- </param>
- <param>
- <key>value</key>
- <value>1</value>
- </param>
- <param>
- <key>min</key>
- <value>0</value>
- </param>
- <param>
- <key>max</key>
- <value>10</value>
- </param>
- <param>
- <key>num_steps</key>
- <value>100</value>
- </param>
- <param>
- <key>style</key>
- <value>wx.SL_HORIZONTAL</value>
- </param>
- <param>
- <key>converver</key>
- <value>float_converter</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value></value>
- </param>
- <param>
- <key>notebook</key>
- <value></value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(114, 345)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>rtl2832_source</key>
- <param>
- <key>id</key>
- <value>rtl2832_source_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>verbose</key>
- <value>True</value>
- </param>
- <param>
- <key>sample_rate</key>
- <value>samp_rate</value>
- </param>
- <param>
- <key>frequency</key>
- <value>freq+freq_offset</value>
- </param>
- <param>
- <key>bandwidth</key>
- <value>0</value>
- </param>
- <param>
- <key>relative_gain</key>
- <value>True</value>
- </param>
- <param>
- <key>gain</key>
- <value>gain</value>
- </param>
- <param>
- <key>gain_mode</key>
- <value></value>
- </param>
- <param>
- <key>auto_gain_mode</key>
- <value>False</value>
- </param>
- <param>
- <key>usb_vid</key>
- <value>0x0</value>
- </param>
- <param>
- <key>usb_pid</key>
- <value>0x0</value>
- </param>
- <param>
- <key>tuner_name</key>
- <value></value>
- </param>
- <param>
- <key>read_length</key>
- <value>1024*128*2</value>
- </param>
- <param>
- <key>xfer_timeout</key>
- <value>0</value>
- </param>
- <param>
- <key>use_buffer</key>
- <value>True</value>
- </param>
- <param>
- <key>buf_mul</key>
- <value>0</value>
- </param>
- <param>
- <key>buf_level</key>
- <value>0</value>
- </param>
- <param>
- <key>fir_coeffs</key>
- <value>[]</value>
- </param>
- <param>
- <key>xtal_freq</key>
- <value>0</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(158, 105)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable</key>
- <param>
- <key>id</key>
- <value>decim</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>value</key>
- <value>20</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(184, 15)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>gr_pwr_squelch_xx</key>
- <param>
- <key>id</key>
- <value>gr_pwr_squelch_xx_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>complex</value>
- </param>
- <param>
- <key>threshold</key>
- <value>sql_thresh1</value>
- </param>
- <param>
- <key>alpha</key>
- <value>1e-3</value>
- </param>
- <param>
- <key>ramp</key>
- <value>0</value>
- </param>
- <param>
- <key>gate</key>
- <value>False</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(714, 342)</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>1000000</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(258, 15)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>blks2_rational_resampler_xxx</key>
- <param>
- <key>id</key>
- <value>blks2_rational_resampler_xxx_0_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>fff</value>
- </param>
- <param>
- <key>decim</key>
- <value>audio_rate</value>
- </param>
- <param>
- <key>interp</key>
- <value>48000*0+48000</value>
- </param>
- <param>
- <key>taps</key>
- <value>[]</value>
- </param>
- <param>
- <key>fractional_bw</key>
- <value>0</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(1300, 470)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>audio_sink</key>
- <param>
- <key>id</key>
- <value>audio_sink_0_0</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>_coordinate</key>
- <value>(1876, 429)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_config</key>
- <param>
- <key>id</key>
- <value>config_freq</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>value</key>
- <value>4601e5</value>
- </param>
- <param>
- <key>type</key>
- <value>real</value>
- </param>
- <param>
- <key>config_file</key>
- <value>.grc_rtl</value>
- </param>
- <param>
- <key>section</key>
- <value>main</value>
- </param>
- <param>
- <key>option</key>
- <value>freq</value>
- </param>
- <param>
- <key>writeback</key>
- <value>freq</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(12, 613)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_text_box</key>
- <param>
- <key>id</key>
- <value>freq_offset</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>label</key>
- <value>Frequency Offset</value>
- </param>
- <param>
- <key>value</key>
- <value>0</value>
- </param>
- <param>
- <key>converver</key>
- <value>float_converter</value>
- </param>
- <param>
- <key>formatter</key>
- <value>None</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value>1,6,1,1</value>
- </param>
- <param>
- <key>notebook</key>
- <value></value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(5, 226)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_text_box</key>
- <param>
- <key>id</key>
- <value>freq</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>label</key>
- <value>Center Frequency</value>
- </param>
- <param>
- <key>value</key>
- <value>config_freq</value>
- </param>
- <param>
- <key>converver</key>
- <value>float_converter</value>
- </param>
- <param>
- <key>formatter</key>
- <value>None</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value>0,6,1,1</value>
- </param>
- <param>
- <key>notebook</key>
- <value></value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(10, 93)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>blks2_rational_resampler_xxx</key>
- <param>
- <key>id</key>
- <value>blks2_rational_resampler_xxx_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>fff</value>
- </param>
- <param>
- <key>decim</key>
- <value>audio_rate</value>
- </param>
- <param>
- <key>interp</key>
- <value>48000*0+48000</value>
- </param>
- <param>
- <key>taps</key>
- <value>[]</value>
- </param>
- <param>
- <key>fractional_bw</key>
- <value>0</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(1305, 342)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>gr_add_xx</key>
- <param>
- <key>id</key>
- <value>gr_add_xx_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>float</value>
- </param>
- <param>
- <key>num_inputs</key>
- <value>2</value>
- </param>
- <param>
- <key>vlen</key>
- <value>1</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(1536, 417)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>blks2_fm_deemph</key>
- <param>
- <key>id</key>
- <value>blks2_fm_deemph_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>samp_rate</key>
- <value>48000</value>
- </param>
- <param>
- <key>tau</key>
- <value>75e-6</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(1651, 468)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>gr_multiply_const_vxx</key>
- <param>
- <key>id</key>
- <value>gr_multiply_const_vxx_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>float</value>
- </param>
- <param>
- <key>const</key>
- <value>audio_mul</value>
- </param>
- <param>
- <key>vlen</key>
- <value>1</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(1662, 410)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_config</key>
- <param>
- <key>id</key>
- <value>config_xlate_bandwidth</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>value</key>
- <value>12500</value>
- </param>
- <param>
- <key>type</key>
- <value>real</value>
- </param>
- <param>
- <key>config_file</key>
- <value>.grc_rtl</value>
- </param>
- <param>
- <key>section</key>
- <value>main</value>
- </param>
- <param>
- <key>option</key>
- <value>xlate_bandwidth</value>
- </param>
- <param>
- <key>writeback</key>
- <value>xlate_bandwidth</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(212, 489)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>variable_slider</key>
- <param>
- <key>id</key>
- <value>xlate_bandwidth</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>label</key>
- <value>Channel Bandwidth</value>
- </param>
- <param>
- <key>value</key>
- <value>config_xlate_bandwidth</value>
- </param>
- <param>
- <key>min</key>
- <value>5000</value>
- </param>
- <param>
- <key>max</key>
- <value>50000</value>
- </param>
- <param>
- <key>num_steps</key>
- <value>1000</value>
- </param>
- <param>
- <key>style</key>
- <value>wx.SL_HORIZONTAL</value>
- </param>
- <param>
- <key>converver</key>
- <value>float_converter</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value>2,4,1,1</value>
- </param>
- <param>
- <key>notebook</key>
- <value></value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(210, 641)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>wxgui_fftsink2</key>
- <param>
- <key>id</key>
- <value>wxgui_fftsink2_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>complex</value>
- </param>
- <param>
- <key>title</key>
- <value>Spectrum @ 1Mhz</value>
- </param>
- <param>
- <key>samp_rate</key>
- <value>samp_rate</value>
- </param>
- <param>
- <key>baseband_freq</key>
- <value>freq+freq_offset</value>
- </param>
- <param>
- <key>y_per_div</key>
- <value>10</value>
- </param>
- <param>
- <key>y_divs</key>
- <value>10</value>
- </param>
- <param>
- <key>ref_level</key>
- <value>50</value>
- </param>
- <param>
- <key>ref_scale</key>
- <value>2.0</value>
- </param>
- <param>
- <key>fft_size</key>
- <value>512</value>
- </param>
- <param>
- <key>fft_rate</key>
- <value>5</value>
- </param>
- <param>
- <key>peak_hold</key>
- <value>True</value>
- </param>
- <param>
- <key>average</key>
- <value>True</value>
- </param>
- <param>
- <key>avg_alpha</key>
- <value>0</value>
- </param>
- <param>
- <key>win</key>
- <value>None</value>
- </param>
- <param>
- <key>win_size</key>
- <value></value>
- </param>
- <param>
- <key>grid_pos</key>
- <value></value>
- </param>
- <param>
- <key>notebook</key>
- <value></value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(487, 12)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>options</key>
- <param>
- <key>id</key>
- <value>RX</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>title</key>
- <value>RX-2</value>
- </param>
- <param>
- <key>author</key>
- <value></value>
- </param>
- <param>
- <key>description</key>
- <value>Dual Simultaneous Reciever</value>
- </param>
- <param>
- <key>window_size</key>
- <value>2000, 2000</value>
- </param>
- <param>
- <key>generate_options</key>
- <value>wx_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>realtime_scheduling</key>
- <value>1</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(8, 10)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <connection>
- <source_block_id>rtl2832_source_0</source_block_id>
- <sink_block_id>gr_freq_xlating_fir_filter_xxx_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>rtl2832_source_0</source_block_id>
- <sink_block_id>wxgui_fftsink2_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>gr_freq_xlating_fir_filter_xxx_0</source_block_id>
- <sink_block_id>gr_pwr_squelch_xx_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>blks2_rational_resampler_xxx_1</source_block_id>
- <sink_block_id>blks2_nbfm_rx_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>blks2_nbfm_rx_0</source_block_id>
- <sink_block_id>blks2_rational_resampler_xxx_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>blks2_rational_resampler_xxx_0_0</source_block_id>
- <sink_block_id>gr_add_xx_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>1</sink_key>
- </connection>
- <connection>
- <source_block_id>blks2_rational_resampler_xxx_0</source_block_id>
- <sink_block_id>gr_add_xx_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>rtl2832_source_0</source_block_id>
- <sink_block_id>gr_freq_xlating_fir_filter_xxx_0_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>blks2_nbfm_rx_0_0</source_block_id>
- <sink_block_id>blks2_rational_resampler_xxx_0_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>blks2_rational_resampler_xxx_1_0</source_block_id>
- <sink_block_id>blks2_nbfm_rx_0_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>gr_pwr_squelch_xx_0_0</source_block_id>
- <sink_block_id>blks2_rational_resampler_xxx_1_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>gr_freq_xlating_fir_filter_xxx_0_0</source_block_id>
- <sink_block_id>gr_pwr_squelch_xx_0_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>gr_multiply_const_vxx_0</source_block_id>
- <sink_block_id>audio_sink_0_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>gr_pwr_squelch_xx_0</source_block_id>
- <sink_block_id>blks2_rational_resampler_xxx_1</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>gr_add_xx_0</source_block_id>
- <sink_block_id>blks2_fm_deemph_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>blks2_fm_deemph_0</source_block_id>
- <sink_block_id>gr_multiply_const_vxx_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- </flow_graph>
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