<?xml version="1.0" encoding="UTF-8"?>
<tsduck>
  <_descriptors>

    <frequency_list_descriptor
        coding_type="undefined|satellite|cable|terrestrial|uint2, required">
      <!-- List of frequencies -->
      <centre_frequency value="FrequencyHz, required"/>
    </frequency_list_descriptor>

  </_descriptors>
</tsduck>
