Is there a way to measure the OTA signal strength on the AM21? I have a vague recollection of doing this when I first got my AM21 several months ago, but I can't figure out how to do it now. I guess I could have just dreamed about doing this measurement.

I'm having some trouble with the signal from my OTA antenna and I'll admit I'm a bit confused. First, I'll let you know that I live in zip code 66205 and according to TV Fool I am between 2.8 and 9.0 miles from the transmitters I'm interested in watching. The azimuth for these station is...