Hacking:Gsm.grc
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<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
<timestamp>Sun Jun 2 13:51:58 2013</timestamp>
<block>
<key>options</key>
<param>
<key>id</key>
<value>top_block</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>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>(10, 10)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>freq2</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Frequency</value>
</param>
<param>
<key>value</key>
<value>0</value>
</param>
<param>
<key>min</key>
<value>-25000</value>
</param>
<param>
<key>max</key>
<value>+25000</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>(343, 6)</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></value>
</param>
<param>
<key>value</key>
<value>25</value>
</param>
<param>
<key>min</key>
<value>-5</value>
</param>
<param>
<key>max</key>
<value>50</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>(474, 3)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>wxgui_waterfallsink2</key>
<param>
<key>id</key>
<value>wxgui_waterfallsink2_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>title</key>
<value>Waterfall Plot</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>baseband_freq</key>
<value>freq_0+freq2</value>
</param>
<param>
<key>dynamic_range</key>
<value>100</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>512</value>
</param>
<param>
<key>fft_rate</key>
<value>15</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>_coordinate</key>
<value>(610, 154)</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>True</value>
</param>
<param>
<key>avg_alpha</key>
<value>0.02</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>_coordinate</key>
<value>(610, 333)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>wxgui_fftsink2</key>
<param>
<key>id</key>
<value>wxgui_fftsink2_1</value>
</param>
<param>
<key>_enabled</key>
<value>False</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>_coordinate</key>
<value>(932, 381)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_fractional_interpolator_xx</key>
<param>
<key>id</key>
<value>gr_fractional_interpolator_xx_0</value>
</param>
<param>
<key>_enabled</key>
<value>False</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>phase_shift</key>
<value>0</value>
</param>
<param>
<key>interp_ratio</key>
<value>samp_rate</value>
</param>
<param>
<key>_coordinate</key>
<value>(468, 667)</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>False</value>
</param>
<param>
<key>type</key>
<value>ccc</value>
</param>
<param>
<key>decim</key>
<value>1</value>
</param>
<param>
<key>taps</key>
<value>firdes.low_pass(1.0, 2000000, 145000, 10000, firdes.WIN_HAMMING)</value>
</param>
<param>
<key>center_freq</key>
<value>0</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>_coordinate</key>
<value>(201, 579)</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>False</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>(819, 646)</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>2285712</value>
</param>
<param>
<key>_coordinate</key>
<value>(10, 170)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_throttle</key>
<param>
<key>id</key>
<value>gr_throttle_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</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>(285, 286)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>osmosdr_source_c</key>
<param>
<key>id</key>
<value>osmosdr_source_c_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>fc32</value>
</param>
<param>
<key>args</key>
<value></value>
</param>
<param>
<key>nchan</key>
<value>1</value>
</param>
<param>
<key>sample_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>freq0</key>
<value>freq_0+freq2</value>
</param>
<param>
<key>corr0</key>
<value>0</value>
</param>
<param>
<key>gain_mode0</key>
<value>1</value>
</param>
<param>
<key>gain0</key>
<value>gain</value>
</param>
<param>
<key>if_gain0</key>
<value>24</value>
</param>
<param>
<key>ant0</key>
<value></value>
</param>
<param>
<key>freq1</key>
<value>0</value>
</param>
<param>
<key>corr1</key>
<value>0</value>
</param>
<param>
<key>gain_mode1</key>
<value>0</value>
</param>
<param>
<key>gain1</key>
<value>0</value>
</param>
<param>
<key>if_gain1</key>
<value>24</value>
</param>
<param>
<key>ant1</key>
<value></value>
</param>
<param>
<key>freq2</key>
<value>0</value>
</param>
<param>
<key>corr2</key>
<value>0</value>
</param>
<param>
<key>gain_mode2</key>
<value>0</value>
</param>
<param>
<key>gain2</key>
<value>0</value>
</param>
<param>
<key>if_gain2</key>
<value>24</value>
</param>
<param>
<key>ant2</key>
<value></value>
</param>
<param>
<key>freq3</key>
<value>0</value>
</param>
<param>
<key>corr3</key>
<value>0</value>
</param>
<param>
<key>gain_mode3</key>
<value>0</value>
</param>
<param>
<key>gain3</key>
<value>0</value>
</param>
<param>
<key>if_gain3</key>
<value>24</value>
</param>
<param>
<key>ant3</key>
<value></value>
</param>
<param>
<key>freq4</key>
<value>0</value>
</param>
<param>
<key>corr4</key>
<value>0</value>
</param>
<param>
<key>gain_mode4</key>
<value>0</value>
</param>
<param>
<key>gain4</key>
<value>0</value>
</param>
<param>
<key>if_gain4</key>
<value>24</value>
</param>
<param>
<key>ant4</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(42, 259)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_file_sink</key>
<param>
<key>id</key>
<value>gr_file_sink_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>file</key>
<value>/tmp/dump.cfile</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>unbuffered</key>
<value>False</value>
</param>
<param>
<key>_coordinate</key>
<value>(610, 530)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>freq_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Frequency</value>
</param>
<param>
<key>value</key>
<value>942360000</value>
</param>
<param>
<key>min</key>
<value>935000000</value>
</param>
<param>
<key>max</key>
<value>960000000</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></value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(191, 8)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<connection>
<source_block_id>gr_throttle_0</source_block_id>
<sink_block_id>wxgui_waterfallsink2_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_throttle_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_throttle_0</source_block_id>
<sink_block_id>gr_file_sink_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_throttle_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>gr_freq_xlating_fir_filter_xxx_0</source_block_id>
<sink_block_id>gr_fractional_interpolator_xx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_fractional_interpolator_xx_0</source_block_id>
<sink_block_id>wxgui_fftsink2_1</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_fractional_interpolator_xx_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>osmosdr_source_c_0</source_block_id>
<sink_block_id>gr_throttle_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
</flow_graph>