<?xml version="1.0"?> <!-- ################################################### ##Simple Squelch ################################################### --> <block> <name>Simple Squelch</name> <key>gr_simple_squelch_cc</key> <import>from gnuradio import gr</import> <make>gr.simple_squelch_cc($threshold, $alpha)</make> <callback>set_threshold($threshold)</callback> <callback>set_alpha($alpha)</callback> <param> <name>Threshold (dB)</name> <key>threshold</key> <type>real</type> </param> <param> <name>Alpha</name> <key>alpha</key> <type>real</type> </param> <sink> <name>in</name> <type>complex</type> </sink> <source> <name>out</name> <type>complex</type> </source> </block>