<?xml version="1.0"?> <!-- ################################################### ##Simple Correlator ################################################### --> <block> <name>Simple Correlator</name> <key>gr_simple_correlator</key> <import>from gnuradio import gr</import> <make>gr.simple_correlator($payload_bytesize)</make> <param> <name>Payload Byte Size</name> <key>payload_bytesize</key> <type>int</type> </param> <sink> <name>in</name> <type>float</type> </sink> <source> <name>out</name> <type>byte</type> </source> </block>