dcc_to_minor_channel_number [ATSC Semantics]
The dcc_to_minor_channel_number is a 10-bit field that gives lowest order digits of the channel number which is the destination of a Directed Channel Change test. 
When the service_type is analog_television, the minor_channel_number must be 0.  When service_type is either ATSC_digital_television or ATSC_audio_only, the minor_channel_number shall be between 1 and 99. 
See Directed Channel Change 
See also: Channel numbering 
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