==== Satellite Virtual Channel Table (SVCT)

Defined by ATSC in <<ATSC-A81>>.

[source,xml]
----
<SVCT version="uint5, default=0"
      current="bool, default=true"
      SVCT_subtype="uint8, default=0"
      SVCT_id="uint8, required"
      protocol_version="uint8, default=0">

  <!-- One per channel -->
  <channel short_name="string, required"
           major_channel_number="uint10, required"
           minor_channel_number="uint10, required"
           modulation_mode="uint6, required"
           carrier_frequency="uint, frequency in Hz, required"
           carrier_symbol_rate="uint32, required"
           polarization="uint2, required"
           FEC_Inner="uint8, required"
           channel_TSID="uint16, required"
           program_number="uint16, required"
           ETM_location="uint2, required"
           hidden="bool, default=false"
           hide_guide="bool, default=false"
           service_type="analog|dtv|audio|data|software|uint6, default=dtv"
           source_id="uint16, required"
           feed_id="uint8, required">
    <DESCRIPTOR_LIST>
  </channel>

  <!-- Additional descriptors loop -->
  <DESCRIPTOR_LIST>

</SVCT>
----
