<?xml version='1.0' encoding='ASCII'?> <flow_graph> <timestamp>Thu Oct 27 13:48:25 2011</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>max_clock_offset</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>100e-6</value> </param> <param> <key>_coordinate</key> <value>(705, 19)</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, os</value> </param> <param> <key>_coordinate</key> <value>(9, 106)</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>os.environ['HOME']+'/.gnuradio/config.conf'</value> </param> <param> <key>_coordinate</key> <value>(13, 168)</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>4e6</value> </param> <param> <key>_coordinate</key> <value>(198, 17)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>digital_clock_recovery_mm_xx</key> <param> <key>id</key> <value>digital_clock_recovery_mm_xx_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>omega</key> <value>sps/2.0</value> </param> <param> <key>gain_omega</key> <value>clock_alpha**2/4.0</value> </param> <param> <key>mu</key> <value>0.5</value> </param> <param> <key>gain_mu</key> <value>clock_alpha</value> </param> <param> <key>omega_relative_limit</key> <value>max_clock_offset</value> </param> <param> <key>_coordinate</key> <value>(897, 341)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>virtual_sink</key> <param> <key>id</key> <value>virtual_sink_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>stream_id</key> <value>baseband</value> </param> <param> <key>_coordinate</key> <value>(1139, 373)</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>(470, 357)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_moving_average_xx</key> <param> <key>id</key> <value>gr_moving_average_xx_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>length</key> <value>hs</value> </param> <param> <key>scale</key> <value>1.0/hs</value> </param> <param> <key>max_iter</key> <value>4000</value> </param> <param> <key>_coordinate</key> <value>(683, 357)</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>unbuffered</key> <value>False</value> </param> <param> <key>_coordinate</key> <value>(809, 595)</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>verbose</key> <value>True</value> </param> <param> <key>output</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(810, 496)</value> </param> <param> <key>_rotation</key> <value>0</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>(302, 349)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_interleaved_short_to_complex</key> <param> <key>id</key> <value>gr_interleaved_short_to_complex_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(92, 377)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_throttle</key> <param> <key>id</key> <value>throttle</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>short</value> </param> <param> <key>samples_per_second</key> <value>2*sample_rate</value> </param> <param> <key>vlen</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(94, 323)</value> </param> <param> <key>_rotation</key> <value>180</value> </param> </block> <block> <key>gr_file_source</key> <param> <key>id</key> <value>gr_file_source_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>file</key> <value>input_filename</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>(95, 257)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>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_rx_hrpt'</value> </param> <param> <key>option</key> <value>'freq'</value> </param> <param> <key>writeback</key> <value>freq</value> </param> <param> <key>_coordinate</key> <value>(218, 104)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>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_rx_hrpt'</value> </param> <param> <key>option</key> <value>'gain'</value> </param> <param> <key>writeback</key> <value>gain</value> </param> <param> <key>_coordinate</key> <value>(375, 105)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>pll_alpha</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>0.01</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_rx_hrpt'</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>(534, 104)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable_config</key> <param> <key>id</key> <value>clock_alpha</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>0.01</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_rx_hrpt'</value> </param> <param> <key>option</key> <value>'clock_alpha'</value> </param> <param> <key>writeback</key> <value>clock_alpha</value> </param> <param> <key>_coordinate</key> <value>(692, 104)</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.hrpt'</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_rx_hrpt'</value> </param> <param> <key>option</key> <value>'filename'</value> </param> <param> <key>writeback</key> <value>output_filename</value> </param> <param> <key>_coordinate</key> <value>(850, 105)</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>(598, 546)</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>True</value> </param> <param> <key>stream_id</key> <value>baseband</value> </param> <param> <key>_coordinate</key> <value>(90, 542)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>digital_binary_slicer_fb</key> <param> <key>id</key> <value>digital_binary_slicer_fb_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(332, 546)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>options</key> <param> <key>id</key> <value>file_rx_hrpt</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>no_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></value> </param> <param> <key>_coordinate</key> <value>(10, 10)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <connection> <source_block_id>digital_clock_recovery_mm_xx_0</source_block_id> <sink_block_id>virtual_sink_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>gr_moving_average_xx_0</source_block_id> <sink_block_id>digital_clock_recovery_mm_xx_0</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>gr_moving_average_xx_0</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>pll</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>deframer</source_block_id> <sink_block_id>frame_sink</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>gr_interleaved_short_to_complex_0</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>throttle</source_block_id> <sink_block_id>gr_interleaved_short_to_complex_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>gr_file_source_0</source_block_id> <sink_block_id>throttle</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>virtual_source_0</source_block_id> <sink_block_id>digital_binary_slicer_fb_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>digital_binary_slicer_fb_0</source_block_id> <sink_block_id>deframer</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> </flow_graph>