<block>
  <name>Clock offset corrector</name>
  <key>gsm_clock_offset_corrector</key>
  <import>import gsm</import>
  <make>gsm.clock_offset_corrector(
    fc=$fc,
    ppm=$ppm,
    samp_rate_in=$samp_rate_in,
)</make>
  <callback>set_fc($fc)</callback>
  <callback>set_ppm($ppm)</callback>
  <callback>set_samp_rate_in($samp_rate_in)</callback>
  <param>
    <name>fc</name>
    <key>fc</key>
    <value>fc</value>
    <type>float</type>
  </param>
  <param>
    <name>ppm</name>
    <key>ppm</key>
    <value>ppm</value>
    <type>float</type>
  </param>
  <param>
    <name>samp_rate_in</name>
    <key>samp_rate_in</key>
    <value>samp_rate_in</value>
    <type>float</type>
  </param>
  <sink>
    <name>in</name>
    <type>complex</type>
    <vlen>1</vlen>
  </sink>
  <sink>
    <name>ppm_in</name>
    <type>message</type>
    <optional>True</optional>
  </sink>
  <source>
    <name>out</name>
    <type>complex</type>
    <vlen>1</vlen>
  </source>
  <doc>Piotr Krysik</doc>
</block>