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Old 09-28-2016, 08:57 AM
kf4rca kf4rca is offline
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Join Date: Feb 2015
Location: Atlanta
Posts: 737
The lack of set manufacturer adoption led many broadcasters to think these signals had another purpose. By putting test signals in the vertical interval, it allowed the FCC to evaluate your transmitters performance that they couldn't do with just program video.
While most VHFs kept the "house" clean, many UHFs were barely staying on the air.
I had heard that some stations were fined for excessive group delay and others recieved warnings.
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