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Richard Harrison wrote:
The actual impedance of the 1/4-wave folded dipole is an inverse function of the wire diameter. It can be chosen to present 6000 ohms. If the 1/4-wave folded dipole is a little short of 1/2-wave around its perimeter, it presents an inductive reactance. If a little longer electrically than 1/2-wave around, it presents a capacitive reactance. Using EZNEC, I just did a frequency sweep on a #14 folded dipole around half its design frequency. There were no apparent resonant effects. How big does the wire have to be for a 130ft folded dipole to exhibit a feedpoint impedance of 6000 + j0 ohms on 160m? Why is no one using such an antenna on 160m? -- 73, Cecil http://www.qsl.net/w5dxp |
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