Originally Posted by SFischer1
Is this part of why you have said, if I remember correctly, that "normal reception" occurs when the air is mixed up. As our normal weather in the SF Bay Area is to have a temperature inversion, we seldom have "normal reception" and in my case perhaps better than "normal reception" most of the time.
I have the opposite situation. I'm higher than the Walnut Grove transmitters. Although there is no steadfast rule when it comes to this, taken over the long term I have better reception from transmitters located higher than I am.
Salinas, Mt. St. Helena, Mt. Daiblo and Fremont are all higher than I am and tend to have more enhanced periods than degraded periods. Sutro Tower, Mt. San Bruno and Walnut Grove are all lower than I am and tend to have more degraded periods than enhanced periods.
But there are exceptions. KACA and KBTV now on channel 27 come in nearly all the time and both have short towers on the valley floor and are over 50 miles away.
KBTV is the biggest exception to my TV Fool report. It doesn't appear in the list at all which extends down to stations with Noise Margins as low as -33 dB.
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