Quote:
Originally Posted by GroundUrMast
I agree, this sounds like multipath or tree induced interference, which is why I suggested that before replacing the antenna, other simple and inexpensive trouble causes be eliminated.
If needed, and if possible, relocate the antenna.
Only as a last resort would I replace the antenna. 'On paper' the UP-7 should be doing the job. If I replaced an antenna in good working order for theses symptoms, I would use a larger, not smaller antenna. I'd be trying to get additional directivity and gain, not less.
@5u4, has the aim adjustment solved the problem?
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Larger in size is not always larger in gain.
The Digitenna has 13.5 dbd gain on your problematic channel. Much larger than your UP7 and is more directional. That is why I recommended it for your situation.
Don't be fooled by physical size. This recommendation fits the need.