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Scratching My Head, Weak(?) Channels
Posted 14 February 2010 - 02:53 PM
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Posted 14 February 2010 - 03:38 PM
Posted 15 February 2010 - 01:19 PM
If you are using a pre-amp, try taking it out of the system or try adding a 3 or 4 way splitter before the tuner to knock down the signal level. The fact that you get the further stations and not the closer ones only reaffirms my belief that you could be overdriving your tuner. While your other tv's may handle the signal quite well, the 722k has a very sensitive tuner.
Posted 15 February 2010 - 03:12 PM
But, why would I be able to see signal in "Add Locals" on that channel yet, it won't resolve a channel number? Is that a symptom of too strong of a signal?
Posted 15 February 2010 - 03:27 PM
Posted 15 February 2010 - 03:49 PM
Posted 15 February 2010 - 05:26 PM
It sounds like you were having the most trouble with the "Virtual channel" number encoding on the channel, and not so much the channel reception itself. I know I've seen my local stations have times when they were not properly broadcasting their virtual ID, but I don't know that I've ever been able to trace a problem down to a split signal at my end.
Then again, I'm not actually splitting my antenna signal anymore.
-- !rotaredoM mA eM
Posted 15 February 2010 - 06:46 PM
I still seem to be having trouble with an overdriven signal on the 2 stations that are 20 miles from me. But, I get all 4 major networks on the stations farther away from me so, I don't guess I can't complain. Well, I can, but I shouldn't.
Posted 15 February 2010 - 08:36 PM
Hard to peg that one down, since it is possible it could be a channel-specific issue that had nothing to do with your configuration.
-- !rotaredoM mA eM
Posted 16 February 2010 - 02:30 PM
A small in-line amp, or amplified splitter, should make up for any loss that's incurred from the split. Your best bet is to place the amp as close to the antenna as possible, ideally right as the cable enters the house. If thats the case, then use a Winegard HDA-100. If you are unable to supply power there, then try an amplified splitter such as the Channel Master CM3412.
Again, glad to see you have your channels working. As you can see, different tuners have different thresholds for how much signal is necessary to register as a channel. Others are more sensitive to signal to noise ratio.