Losing Digital Channels
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Losing Digital Channels


This is a discussion on Losing Digital Channels within the DTV | HDTV Reception and Antenna Discussion forums, part of the Over-the-Air (Antenna TV) category.

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  1. #1
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    Losing Digital Channels

    Has anyone else been experiencing problems with Channels 9.1 & 9.2 and 29.1 & 29.2 in the Minneapolis, Minn. area? I live about 15 miles north of the shoreview towers.

    I was receiving all 4 of these up until late last week 11/6/2009. Now I cannot get 9.1 or 29.2. Channels 9.2 (SD) and 29.1 (HD) still come in fine. I have reset my Sanyo TV several times to no avail. I'm just wondering if they have changed the power output or is my TV heading south. Oh, I've also checked to make sure the channels didn't get inadvertently blocked. Nope, to the TV, they don't even exist.

    Thanks for any help

  2. #2
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    What is your antenna setup?

  3. #3
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    Thread Starter

    Rca

    RCA ANT3036 36-Element Universal Outdoor Antenna. Mounted in attic of garage - aimed at Shoreview towers. Cable run is about 25' with one splitter to another TV

    Thanks for your help

  4. #4
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    I also lost all of our channel 26 channels (26.1, 26.2, 26.3, 26.4) and just yesterday channel 5.1, 5.2, 5.3 and 32.1. I'm at a loss. I've reset our boxes and also our digital TV and also checked my antenna. I have a rotator on my antenna so it's not difficult to point it in the right direction. Did something happen recently with their power output?

  5. #5
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    Quote Originally Posted by peloqt1 View Post
    Has anyone else been experiencing problems with Channels 9.1 & 9.2 and 29.1 & 29.2 in the Minneapolis, Minn. area? I live about 15 miles north of the shoreview towers.

    I was receiving all 4 of these up until late last week 11/6/2009. Now I cannot get 9.1 or 29.2. Channels 9.2 (SD) and 29.1 (HD) still come in fine. I have reset my Sanyo TV several times to no avail. I'm just wondering if they have changed the power output or is my TV heading south. Oh, I've also checked to make sure the channels didn't get inadvertently blocked. Nope, to the TV, they don't even exist.

    Thanks for any help
    Hi, I have also had the same problem's. I can receive 9.2 SD, but cannot get 9.1 HD.

    I don't know if this is a weather related problem or if FOX is "adjusting" their antenna. I do know that I had the same problem about 2 years ago, but all of a sudden it 'magically' cleared up.

  6. #6
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    Quote Originally Posted by christinaz View Post
    I also lost all of our channel 26 channels (26.1, 26.2, 26.3, 26.4) and just yesterday channel 5.1, 5.2, 5.3 and 32.1. I'm at a loss. I've reset our boxes and also our digital TV and also checked my antenna. I have a rotator on my antenna so it's not difficult to point it in the right direction. Did something happen recently with their power output?


    Station transmitter/antenna issues can be at fault when one channel is lost, but two or more stations dropping out almost always means something's gone wrong in the receiving system. Cables and connectors cause the most problems. Carefully check the cabling outside for damage, and check all outdoor connectors for rust. A sudden loss like this suggests water may have gotten into one or more of the connectors outdoors. Moisture or water that gets inside even one connector will "short circuit" the whole antenna system, causing weaker signals to drop out. Cable replacement (and sealing the new connections against future water ingress!) is the only good solution.

    If the cable is old or, worse, flat "twinlead," aging or damage may not be obvious. Coaxial cable installed outdoors that's more than a dozen years old is a candidate for replacement; twinlead is difficult to install correctly and doesn't resist signal interference nearly as well as coax does. It should be replaced for these reasons. If your inspection turns up nothing apparent, buy a length of RG-6 coaxial cable sufficient to replace your current downlead and run it from the antenna directly to one tuner. Better reception almost always means the installed cable is bad.
    Last edited by Don_M; 11-30-2009 at 01:23 PM.

  7. #7
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    Thanks Don, I did check. I actually installed all of this brand new just this summer (July). That's why I was really at a loss for an explanation. When I went outside to check, it looked like my antenna was leaning somewhat, so I rectified that situation. I got my stations back, but only for a day. Not sure, but I think a lot of it is weather related right now. I can't find anything else to explain this.

  8. #8
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    OK, now it's time to take a look at the converter box. Seems like a lot of people are losing channels these days because the boxes -- which are really little computers -- simply need to be "re-booted:"

    As a first step, try unplugging the converter box for at least five minutes. Plug it back in and see whether the missing channels come back. As these boxes are always in standby mode, even when powered down, this is akin to shutting down a computer completely and re-starting it as opposed to a "soft boot" restart.

    If the first step doesn't help, try performing a double re-scan by following this procedure.

 

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