Does the FCC keep track somewhere of subchannels?

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niqueco
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Does the FCC keep track somewhere of subchannels?

Post by niqueco » Wed Oct 10, 2018 8:15 am

Hi! I'm not an engineer, I'm a software developer who has taken station information from the FCC and created an Android app for pointing antennas ( this one: https://play.google.com/store/apps/deta ... er.antenas ).

My app currently lacks the information about what subchannel each station is broadcasting. Do anyone know if that information is anywhere? I couldn't find it in the CDBS database I'm using.

Thanks!

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Deep Thought
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Re: Does the FCC keep track somewhere of subchannels?

Post by Deep Thought » Wed Oct 10, 2018 9:16 am

The FCC only tracks stations running in a digital mode (assuming you're talking about FM) and not how many or what is on the subchannels.

Digital TV is licensed as such, but the FCC does not track the 'dot' channels deployment.
Mark Mueller • Mueller Broadcast Design • La Grange, IL • http://www.muellerbroadcastdesign.com

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Shane
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Re: Does the FCC keep track somewhere of subchannels?

Post by Shane » Wed Oct 10, 2018 10:11 am

northpine.com keeps pretty good track of DTV and FM-HD subchannels but only for the Upper Midwest. They do change a lot, probably one reason the FCC doesn’t keep track of them.
Mike Shane, CBRE
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djpcraze
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Re: Does the FCC keep track somewhere of subchannels?

Post by djpcraze » Wed Oct 10, 2018 10:46 am

While the FCC doesn't keep track, since broadcasters actually have to pay licencing to iBiquity to transmit in HD, and therefore iBiquity knows who is on the air with HD, the database on https://hdradio.com/stations is actually pretty accurate.

There may be a few stations listed that aren't running IBOC any longer, as I think they try to pad the station participation numbers a bit.

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