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On Fri, 28 Apr 2006 17:03:30 GMT, Telamon
wrote: In article . com, "RHF" wrote: So I want to Rig my cut-to-order Dipole Antenna to use for general across-the-bands Shortwave Listening. First - Don't Think of It as a Dipole . . . Think of it as Two Horizontal Wire Antennas that are fed with a Pair of Matched Lines {Ladder Line - Twin Lead - etc} Second -Taking the two (a pair of) feed-in-line Wires and Connecting them together at the "Antenna" HI-Z (500 Ohm) {Red} Terminal of my Radio / Receiver. Third - Then I connect my Ground Wire to the "Ground" HI-Z (500 Ohm) {Black} Terminal of my Radio / Receiver. The impedance does not match up that well as a 300 ohm transmission line to 500 high impedance input on most radios but it might work well in low noise situation. Anyone ever try this? He's talking about shorting both legs together I think. Most Hi-Z inputs work OK with 300 or 450 Ohm line, as well as monopole wires. |
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