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#10
September 12th 06, 06:45 PM
posted to rec.radio.amateur.antenna
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Make your own hardline?
Cecil Moore wrote:
I vaguely remember something about 50 ohms being good for transmitting and 73 ohms being good for receiving. ____________ 50 ohm line is about optimum for power handling, given the ID of the outer conductor, and 75 ohm line has about the least attenuation for a given ID of the outer conductor. I think a European compromise was to choose 60 ohms as a standard impedance. RF |
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