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Original thread:
Post 6 made on Saturday November 8, 2008 at 09:04
texasbrit
Founding Member
Joined:
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December 2001
524
On November 7, 2008 at 11:08, mikeuhf said...
Are they going to continue with virtual channel assignment
after the analog shutdown? It seems to me that this practice
is wasting valuable channel alocation. For example CITY-TV
is occupying channel 53.1 (actual) and 57.1 (virtual).
It is in fact transmitting on channel 53.1 but the digital
receiver displays 57.1 As such another broadcaster cannont
be assigned channel 57.1 eventhough the frequency is in
fact vacant. In effect, each station is occupying two
channels on the band and on my digital receiver. This
seems wasteful, doesn't it?

No, the station is not occupying two channels on the band. It is only occupying 53. If another station wants to broadcast on (real) channel 57 it would be able to do that, it is just that its virtual channel number would have to be something other than 57.1. It could even be 53.1 if no one else was using it as a virtual channel number. Every station will occupy one ATSC real channel, the fact that the virtual channel numbers are different is not an issue. Just because someone is using a particular virtual channel number does not make the same-numbered "real" channel unusable by someone else.


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