<?xml version='1.0' encoding='utf-8'?> <?grc format='1' created='3.7.9'?> <flow_graph> <timestamp>Sat Jun 27 12:02:49 2015</timestamp> <block> <key>options</key> <param> <key>author</key> <value>Ettus Research</value> </param> <param> <key>alias</key> <value></value> </param> <param> <key>window_size</key> <value>1280, 1024</value> </param> <param> <key>category</key> <value>Custom</value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>description</key> <value>Signal Generator for use with USRP Devices</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(-8, -11)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>generate_options</key> <value>qt_gui</value> </param> <param> <key>id</key> <value>uhd_siggen_gui</value> </param> <param> <key>max_nouts</key> <value>0</value> </param> <param> <key>realtime_scheduling</key> <value></value> </param> <param> 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