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ADtech, Thanks for your message about polarization, By putting that 15" wires horizontal, I gain one USA channel, Anyway, It is a test antenna.
I learned many Antenna components
- TVfool signal strength map
- BareAntenna gain
- PreAmp gain
- PreAmp can overload by strong signal (need to use steep D/B ratio antenna to block strong local signal)
- Min. TV signal strength, -70dbm, some TV can pick up -80dbm.
- Antenna durability ( I don't need a very durable antenna)
- Wind resistance ( No strong wind here)
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