grc/misc_utils/gsm_bursts_printer.xml

<?xml version="1.0"?>
<block>
  <name>Bursts printer</name>
  <key>gsm_bursts_printer</key>
  <import>import gsm</import>
  <make>gsm.bursts_printer()</make>
  <sink>
    <name>bursts</name>
    <type>message</type>
  </sink>
</block>