hdtv: why mess with a good thing...

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hdtv: why mess with a good thing...

if your channels 7, 9, 11, 13 suddenly stopped working after 6/12,
this is why...

Hey Kids, Time For A Game Of Musical Chairs!

gnowk
Wed, 24 Jun 2009 16:49:21 +0000

Based on that article, it's either the channel has moved to a different number or I need a specialized DTV antenna, right?

Chieh Cheng
Wed, 24 Jun 2009 19:34:56 +0000

I confu-sed more now

charlie
Wed, 24 Jun 2009 20:06:42 +0000

Back in the analog days:

Ch 2-13 are on VHF
Ch 14-xx are on UHF

Before 6/12, the DTV channels are broadcasted on unused channels in the UHF spectrum, since the VHF is in use by analog. E.g. Ch 4.1 is actually RF 36 and Ch 7.1 is RF 53.

Things were good, since UHF is easier to receive than VHF.

After 6/12, some channels move back to VHF spectrum (Ch 7, 9, 11, 13 in LA). So 7.1 is back to RF 7. Ch 2, 4, 5 are still on UHF because lower VHF is prone to interference (or something like that). Regardless, your channel list needs to be re-scanned to pick up the stations at their new spots.

The reason for the switch was so that FCC can repurpose it for something else (white space?).

You don't need a specialized DTV antenna, just something that does VHF/UHF. The old rabbit ears might do the trick. UHF antennas might work if the signal is amplified. What blows is that all the DTV antennas people have been selling are UHF only.

gnowk
Wed, 24 Jun 2009 20:46:05 +0000

So you are saying that I just need to go to my DTV box and press re-scan channels to resolve this problem?

Chieh Cheng
Thu, 25 Jun 2009 00:26:25 +0000

Exactly.

Sarcast
Thu, 25 Jun 2009 01:16:07 +0000

yes, assuming your antenna can pick up VHF 7, 9, 11, 13...

gnowk
Thu, 25 Jun 2009 02:47:19 +0000

I think so. I'm still using the same antenna that I used before I got the DTV box.

Chieh Cheng
Thu, 25 Jun 2009 04:34:23 +0000

ya. already knew this. after i set up my dad tv, my aunt's 2 tv's, and my sisters 3 tvs... uh... 6/12 happened and they lost channels and i have to rescan them all.

that guy wrote the article all confusing, although i know he was trying to be technical and articulate, it just wasn't clear

charlie
Thu, 25 Jun 2009 06:15:26 +0000

so ch 7 thru 13 work now? what antenna are they using?

gnowk
Thu, 25 Jun 2009 19:37:26 +0000

I am using a paper clip and aluminum foil...work great.

Sarcast
Thu, 25 Jun 2009 21:05:29 +0000

dad and aunt are using the same rooftop antenna. i got my sister "digital" antennas.

charlie
Thu, 25 Jun 2009 22:37:32 +0000

if you have coupons left:
Airlink101 ATVC102 DTV Converter Box with Remote

comes w/ a free uhf/vhf antenna

gnowk
Fri, 26 Jun 2009 01:16:33 +0000

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