Quote:
Originally Posted by rickbb
Look for interference with another radio source. FM radio station, FM fire/police radios, VHF aircraft/marine radios, an appliance turning on when you have the issue. And so forth.
Your indoor antenna maybe out of that interference sources's path, or in a RF shadow hidden from it.
Something on the same frequency and/or between your antenna and the transmitting tower.
Tricky problem to track down. Lots of trial and error, you may need to move the antenna a few feet this way or that.
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Interference crossed my mind too. I agree it's very difficult to track down. I live in a very densely populated neighborhood. It's possible the source of interference may not even be in my own house. Another thing I considered is possibly the station is having technical difficulties and maybe running with reduced power at times. But I would have no way of confirming that.