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TVFR link doesn't work.
Usually you only need an amplifier to overcome cable losses with a long run of cable. Ideally the amplifier is put right up at the mast, as close to the antenna as possible, so that the strongest signal before the long cable run is amplified. Indeed, amplifiers actually degrade the signal quality slightly, by adding their own amplification noise to the already weak signal (the amplifier's "noise factor"). So you end up with a stronger but lower quality signal.
Probably the cheapest way to get more stations will be to buy a commercially made antenna. Not dissing your home-made antenna - I'm sure it works very well for the expense and effort it required. Once we can see your report, we can comment more.
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