==== ISDB_network_identifier_descriptor

Defined by ARIB in <<ARIB-B10J>>.

[source,xml]
----
<ISDB_network_identifier_descriptor
    country_code="char3, required"
    media_type="AB|AC|BS|CB|TB, required"
    network_id="uint16, required">

  <private_data>
    Hexadecimal content
  </private_data>

</ISDB_network_identifier_descriptor>
----
