ok thanks. so i don't even need this extra power cord that they sent with the am 21 then?
OTA signals are not as consistent as satellite signals. I have one that pretty much shows 70-75 but will suddenly drop to 0 and pop back up to the 70's in a few seconds to a minute. I have another couple that are pretty consistent 80-100 but some mornings due to atmospheric skip a channel from outside my DMA comes in and interferes with the signal usually by 9am the interference is pretty much history.
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