[mythtv-users] One channel won't lock even though it use to

Brian Wood beww at beww.org
Sun May 31 18:06:48 UTC 2009

On Sunday 31 May 2009 11:23:21 John H wrote:
> I rescanned with myth and it didn't pick the PBS channel. I scanned
> with dvb-utils a couple of times and it didn't pickup. I plugged the
> antenna into the back of the TV and it didn't pickup the PBS channel
> from last nights TV internal tuner scan. I rescanned with the internal
> TV tuner and it picked up PBS. I then plugged the antenna back into
> the Kworld card and did a scan with dvb-utils and it picked up the
> channel. I then did it with myth and it picked it up. Go figure. Must
> have hit a bad signal a few times in a row over a few weeks.

Sounds like your signal is right on the edge. Try re-orienting your antenna a 

You may also have multipath problems, again, re-orienting the antenna might 
help that. When signal strength is OK but the BER is bad, suspect multipath 
or an interfering signal of some sort.

beww at beww.org

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