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b.grc
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<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
<timestamp>Mon Feb 3 01:53:57 2014</timestamp>
<block>
<key>options</key>
<param>
<key>id</key>
<value>options_0</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>4096,4096</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>max_nouts</key>
<value>0</value>
</param>
<param>
<key>realtime_scheduling</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(1310, 836)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>carrier_rx</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>19000</value>
</param>
<param>
<key>_coordinate</key>
<value>(395, 857)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>transistion</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>100</value>
</param>
<param>
<key>_coordinate</key>
<value>(345, 795)</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>9</value>
</param>
<param>
<key>_coordinate</key>
<value>(439, 793)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>header_formatter</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>digital.packet_header_default( 24,length_tag_key)</value>
</param>
<param>
<key>_coordinate</key>
<value>(704, 840)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>length_tag_key</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>"packet_len"</value>
</param>
<param>
<key>_coordinate</key>
<value>(129, 75)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>psize</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>1500</value>
</param>
<param>
<key>_coordinate</key>
<value>(494, 854)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>sym</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>1,-1</value>
</param>
<param>
<key>_coordinate</key>
<value>(75, 517)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>payload</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>68</value>
</param>
<param>
<key>_coordinate</key>
<value>(517, 791)</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>48000</value>
</param>
<param>
<key>_coordinate</key>
<value>(258, 734)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>sideband</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>1000</value>
</param>
<param>
<key>_coordinate</key>
<value>(262, 795)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>sideband_rx</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>50</value>
</param>
<param>
<key>_coordinate</key>
<value>(530, 727)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>transistion_rx</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>100</value>
</param>
<param>
<key>_coordinate</key>
<value>(598, 789)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>carrier_tx</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>18000</value>
</param>
<param>
<key>_coordinate</key>
<value>(295, 859)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>interpolation</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>320</value>
</param>
<param>
<key>_coordinate</key>
<value>(427, 729)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>reference</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>reference</value>
</param>
<param>
<key>value</key>
<value>20</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>max</key>
<value>100</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>(587, 850)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_constellation</key>
<param>
<key>id</key>
<value>constel</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>"ok"</value>
</param>
<param>
<key>sym_map</key>
<value>0,1</value>
</param>
<param>
<key>const_points</key>
<value>1,-1</value>
</param>
<param>
<key>rot_sym</key>
<value>2</value>
</param>
<param>
<key>dims</key>
<value>1</value>
</param>
<param>
<key>precision</key>
<value>8</value>
</param>
<param>
<key>soft_dec_lut</key>
<value>None</value>
</param>
<param>
<key>_coordinate</key>
<value>(76, 581)</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>True</value>
</param>
<param>
<key>samples_per_symbol</key>
<value>sps</value>
</param>
<param>
<key>sensitivity</key>
<value>1.0</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>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>(746, 25)</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>ccc</value>
</param>
<param>
<key>interp</key>
<value>interpolation</value>
</param>
<param>
<key>decim</key>
<value>1</value>
</param>
<param>
<key>taps</key>
<value></value>
</param>
<param>
<key>fbw</key>
<value>0</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>(939, 18)</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>firdes.band_pass (0.50,samp_rate,carrier_tx-sideband,carrier_tx+sideband,transistion)</value>
</param>
<param>
<key>center_freq</key>
<value>-carrier_tx</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</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>(1150, 18)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>wxgui_fftsink2</key>
<param>
<key>id</key>
<value>wxgui_fftsink2_0_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>title</key>
<value>FFT Plot</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>baseband_freq</key>
<value>0</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>0</value>
</param>
<param>
<key>ref_scale</key>
<value>2.0</value>
</param>
<param>
<key>fft_size</key>
<value>1024</value>
</param>
<param>
<key>fft_rate</key>
<value>15</value>
</param>
<param>
<key>peak_hold</key>
<value>False</value>
</param>
<param>
<key>average</key>
<value>False</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>freqvar</key>
<value>None</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(1421, 0)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>fft_filter_xxx</key>
<param>
<key>id</key>
<value>fft_filter_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>1</value>
</param>
<param>
<key>taps</key>
<value>firdes.complex_band_pass_2(1.0,samp_rate,carrier_rx-sideband_rx,carrier_rx+sideband_rx,transistion_rx,100,firdes.WIN_HAMMING,6.76)</value>
</param>
<param>
<key>samp_delay</key>
<value>0</value>
</param>
<param>
<key>nthreads</key>
<value>1</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>(586, 137)</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_0_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>ccc</value>
</param>
<param>
<key>interp</key>
<value>1</value>
</param>
<param>
<key>decim</key>
<value>interpolation</value>
</param>
<param>
<key>taps</key>
<value></value>
</param>
<param>
<key>fbw</key>
<value>0</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>(1110, 132)</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>FFT Plot</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>baseband_freq</key>
<value>0</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>0</value>
</param>
<param>
<key>ref_scale</key>
<value>2.0</value>
</param>
<param>
<key>fft_size</key>
<value>1024</value>
</param>
<param>
<key>fft_rate</key>
<value>15</value>
</param>
<param>
<key>peak_hold</key>
<value>False</value>
</param>
<param>
<key>average</key>
<value>False</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>freqvar</key>
<value>None</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(1109, 226)</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>True</value>
</param>
<param>
<key>samples_per_symbol</key>
<value>sps</value>
</param>
<param>
<key>sensitivity</key>
<value>1.0</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>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>(1325, 178)</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>