<?xml version='1.0' encoding='ASCII'?> <flow_graph> <timestamp>Sun Sep 27 13:32:47 2009</timestamp> <block> <key>variable</key> <param> <key>id</key> <value>max_carrier_offset</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>2*math.pi*100e3/sample_rate</value> </param> <param> <key>_coordinate</key> <value>(575, 19)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>sym_rate</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>600*1109</value> </param> <param> <key>_coordinate</key> <value>(301, 19)</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>sample_rate/sym_rate</value> </param> <param> <key>_coordinate</key> <value>(397, 19)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>hs</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>int(sps/2.0)</value> </param> <param> <key>_coordinate</key> <value>(499, 19)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>sample_rate</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>64e6/decim</value> </param> <param> <key>_coordinate</key> <value>(198, 17)</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>saved_gain</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>0, 1, 1, 1</value> </param> <param> <key>notebook</key> <value></value> </param> <param> <key>_coordinate</key> <value>(340, 106)</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>Frequency</value> </param> <param> <key>value</key> <value>saved_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, 0, 1, 1</value> </param> <param> <key>notebook</key> <value></value> </param> <param> <key>_coordinate</key> <value>(199, 106)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_slider</key> <param> <key>id</key> <value>pll_alpha</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>label</key> <value>PLL Alpha</value> </param> <param> <key>value</key> <value>saved_pll_alpha</value> </param> <param> <key>min</key> <value>0.0</value> </param> <param> <key>max</key> <value>0.5</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>0, 2, 1, 1</value> </param> <param> <key>notebook</key> <value></value> </param> <param> <key>_coordinate</key> <value>(479, 106)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_slider</key> <param> <key>id</key> <value>sync_alpha</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>label</key> <value>SYNC Alpha</value> </param> <param> <key>value</key> <value>saved_sync_alpha</value> </param> <param> <key>min</key> <value>0.0</value> </param> <param> <key>max</key> <value>0.5</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>0, 3, 1, 1</value> </param> <param> <key>notebook</key> <value></value> </param> <param> <key>_coordinate</key> <value>(618, 106)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_static_text</key> <param> <key>id</key> <value>side_text</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>label</key> <value>USRP Side</value> </param> <param> <key>value</key> <value>side</value> </param> <param> <key>converver</key> <value>str_converter</value> </param> <param> <key>formatter</key> <value>None</value> </param> <param> <key>grid_pos</key> <value>1, 0, 1, 1</value> </param> <param> <key>notebook</key> <value></value> </param> <param> <key>_coordinate</key> <value>(828, 20)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>side</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>'A'</value> </param> <param> <key>type</key> <value>string</value> </param> <param> <key>config_file</key> <value>config_filename</value> </param> <param> <key>section</key> <value>'usrp'</value> </param> <param> <key>option</key> <value>'side'</value> </param> <param> <key>writeback</key> <value>side</value> </param> <param> <key>_coordinate</key> <value>(194, 253)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>decim</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>16</value> </param> <param> <key>type</key> <value>real</value> </param> <param> <key>config_file</key> <value>config_filename</value> </param> <param> <key>section</key> <value>'usrp'</value> </param> <param> <key>option</key> <value>'decim'</value> </param> <param> <key>writeback</key> <value>decim</value> </param> <param> <key>_coordinate</key> <value>(351, 255)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>saved_freq</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>1698e6</value> </param> <param> <key>type</key> <value>real</value> </param> <param> <key>config_file</key> <value>config_filename</value> </param> <param> <key>section</key> <value>'usrp'</value> </param> <param> <key>option</key> <value>'freq'</value> </param> <param> <key>writeback</key> <value>freq</value> </param> <param> <key>_coordinate</key> <value>(507, 258)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>saved_gain</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>35</value> </param> <param> <key>type</key> <value>real</value> </param> <param> <key>config_file</key> <value>config_filename</value> </param> <param> <key>section</key> <value>'usrp'</value> </param> <param> <key>option</key> <value>'gain'</value> </param> <param> <key>writeback</key> <value>gain</value> </param> <param> <key>_coordinate</key> <value>(664, 259)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>saved_pll_alpha</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>0.05</value> </param> <param> <key>type</key> <value>real</value> </param> <param> <key>config_file</key> <value>config_filename</value> </param> <param> <key>section</key> <value>'demod'</value> </param> <param> <key>option</key> <value>'pll_alpha'</value> </param> <param> <key>writeback</key> <value>pll_alpha</value> </param> <param> <key>_coordinate</key> <value>(823, 258)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>saved_sync_alpha</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>0.05</value> </param> <param> <key>type</key> <value>real</value> </param> <param> <key>config_file</key> <value>config_filename</value> </param> <param> <key>section</key> <value>'demod'</value> </param> <param> <key>option</key> <value>'sync_alpha'</value> </param> <param> <key>writeback</key> <value>sync_alpha</value> </param> <param> <key>_coordinate</key> <value>(981, 258)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>output_filename</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>'frames.dat'</value> </param> <param> <key>type</key> <value>string</value> </param> <param> <key>config_file</key> <value>config_filename</value> </param> <param> <key>section</key> <value>'output'</value> </param> <param> <key>option</key> <value>'filename'</value> </param> <param> <key>writeback</key> <value>output_filename</value> </param> <param> <key>_coordinate</key> <value>(1139, 259)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_static_text</key> <param> <key>id</key> <value>decim_text</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>label</key> <value>Decimation</value> </param> <param> <key>value</key> <value>decim</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, 1, 1, 1</value> </param> <param> <key>notebook</key> <value></value> </param> <param> <key>_coordinate</key> <value>(973, 20)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>max_sync_offset</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>0.01</value> </param> <param> <key>_coordinate</key> <value>(705, 19)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>config_filename</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>'usrp_rx_hrpt.cfg'</value> </param> <param> <key>_coordinate</key> <value>(12, 160)</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>(11, 102)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>noaa_hrpt_pll_cf</key> <param> <key>id</key> <value>pll</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>alpha</key> <value>pll_alpha</value> </param> <param> <key>beta</key> <value>pll_alpha**2/4.0</value> </param> <param> <key>max_offset</key> <value>max_carrier_offset</value> </param> <param> <key>_coordinate</key> <value>(664, 809)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>noaa_hrpt_sync_fb</key> <param> <key>id</key> <value>sync</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>alpha</key> <value>sync_alpha</value> </param> <param> <key>beta</key> <value>sync_alpha**2/4.0</value> </param> <param> <key>sps</key> <value>sps</value> </param> <param> <key>max_offset</key> <value>max_sync_offset</value> </param> <param> <key>_coordinate</key> <value>(865, 801)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_file_sink</key> <param> <key>id</key> <value>frame_sink</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>file</key> <value>output_filename</value> </param> <param> <key>type</key> <value>short</value> </param> <param> <key>vlen</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(1283, 937)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>noaa_hrpt_deframer</key> <param> <key>id</key> <value>deframer</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(1091, 829)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>noaa_hrpt_decoder</key> <param> <key>id</key> <value>decoder</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(1281, 829)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>wxgui_scopesink2</key> <param> <key>id</key> <value>pll_scope</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>title</key> <value>Demod Waveform</value> </param> <param> <key>samp_rate</key> <value>sample_rate</value> </param> <param> <key>v_scale</key> <value>0.5</value> </param> <param> <key>t_scale</key> <value>20.0/sample_rate</value> </param> <param> <key>ac_couple</key> <value>False</value> </param> <param> <key>xy_mode</key> <value>False</value> </param> <param> <key>num_inputs</key> <value>1</value> </param> <param> <key>grid_pos</key> <value>2,0,1,4</value> </param> <param> <key>notebook</key> <value></value> </param> <param> <key>_coordinate</key> <value>(631, 632)</value> </param> <param> <key>_rotation</key> <value>180</value> </param> </block> <block> <key>gr_agc_xx</key> <param> <key>id</key> <value>agc</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>complex</value> </param> <param> <key>rate</key> <value>1e-6</value> </param> <param> <key>reference</key> <value>1.0</value> </param> <param> <key>gain</key> <value>1.0</value> </param> <param> <key>max_gain</key> <value>1.0</value> </param> <param> <key>_coordinate</key> <value>(269, 801)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_fir_filter_xxx</key> <param> <key>id</key> <value>gr_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>mf_taps</value> </param> <param> <key>_coordinate</key> <value>(418, 817)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>mf_taps</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>[-0.5/hs,]*hs+[0.5/hs,]*hs</value> </param> <param> <key>_coordinate</key> <value>(830, 154)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_file_source</key> <param> <key>id</key> <value>file_source</value> </param> <param> <key>_enabled</key> <value>False</value> </param> <param> <key>file</key> <value>'usrp.dat'</value> </param> <param> <key>type</key> <value>short</value> </param> <param> <key>repeat</key> <value>False</value> </param> <param> <key>vlen</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(215, 490)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_deinterleave</key> <param> <key>id</key> <value>gr_deinterleave_0</value> </param> <param> <key>_enabled</key> <value>False</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>num_streams</key> <value>2</value> </param> <param> <key>vlen</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(598, 485)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_float_to_complex</key> <param> <key>id</key> <value>gr_float_to_complex_0</value> </param> <param> <key>_enabled</key> <value>False</value> </param> <param> <key>vlen</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(801, 485)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_short_to_float</key> <param> <key>id</key> <value>s2f</value> </param> <param> <key>_enabled</key> <value>False</value> </param> <param> <key>_coordinate</key> <value>(393, 502)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>virtual_sink</key> <param> <key>id</key> <value>sample_stream</value> </param> <param> <key>_enabled</key> <value>False</value> </param> <param> <key>stream_id</key> <value>samples</value> </param> <param> <key>_coordinate</key> <value>(1027, 498)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>usrp_simple_source_x</key> <param> <key>id</key> <value>usrp_source</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>complex</value> </param> <param> <key>format</key> <value></value> </param> <param> <key>which</key> <value>0</value> </param> <param> <key>decimation</key> <value>decim</value> </param> <param> <key>frequency</key> <value>freq</value> </param> <param> <key>lo_offset</key> <value>float('inf')</value> </param> <param> <key>gain</key> <value>gain</value> </param> <param> <key>side</key> <value>side</value> </param> <param> <key>rx_ant</key> <value>RXA</value> </param> <param> <key>hb_filters</key> <value></value> </param> <param> <key>_coordinate</key> <value>(63, 785)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>virtual_source</key> <param> <key>id</key> <value>virtual_source_0</value> </param> <param> <key>_enabled</key> <value>False</value> </param> <param> <key>stream_id</key> <value>samples</value> </param> <param> <key>_coordinate</key> <value>(69, 671)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>options</key> <param> <key>id</key> <value>usrp_rx_hrpt2</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>title</key> <value>USRP HRPT Receiver</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</key> <value>True</value> </param> <param> <key>realtime_scheduling</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(10, 10)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <connection> <source_block_id>gr_fir_filter_xxx_0</source_block_id> <sink_block_id>pll</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>agc</source_block_id> <sink_block_id>gr_fir_filter_xxx_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>usrp_source</source_block_id> <sink_block_id>agc</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>deframer</source_block_id> <sink_block_id>decoder</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>pll</source_block_id> <sink_block_id>pll_scope</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>pll</source_block_id> <sink_block_id>sync</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>sync</source_block_id> <sink_block_id>deframer</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>deframer</source_block_id> 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