What you said about the amps is not true. It can be true for a line-amp but is not true for a pre- amp. A signal may be "weak" and not "crappy" as you put it. If very weak - it will be totally lost through connectors and the coax before it gets to the TV. The purpose of a low-noise signal preamp is to mount it ON or as close as possible to the antenna and it can make a night-and-day difference in reception. Adding a "line" or "distribution" amp further down the line or at the TV will not do the same job. Once that weak signal is lost - no amp will get it back. I don't know what the "crap" is in the signal you refer to. Preamp transistors make some unwanted noise but they usually make up for that in 15-30 dBs in signal gain.
I've got a tower with three 12 foot long TV antennas (VHF low, VHF high, and UHF). Nearest transmitter towers are 60 miles away with mountain tops in the way. With no preamp I can get just one channel. With a 30 dB preamp - I get over 30 channels.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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