==== Master Guide Table (MGT)

Defined by ATSC in <<ATSC-A65>>.

[source,xml]
----
<MGT version="uint5, default=0" protocol_version="uint8, default=0">

  <!-- Common descriptors loop -->
  <DESCRIPTOR_LIST>

  <!-- One per table type -->
  <table type="TVCT-current|TVCT-next|CVCT-current|CVCT-next|ETT|DCCSCT|
               EIT-0..EIT-127|ETT-0..ETT-127|RRT-1..RRT-255|DCCT-0DCCT-255|
               uint16, required"
         PID="uint13, required"
         version_number="uint5, required"
         number_bytes="uint32, required">
    <DESCRIPTOR_LIST>
  </table>

</MGT>
----
