I have been experimenting with different random wire antenna lengths for my
3-band KX1. My counterpoise consists of three 1/4-wavelength wires, one cut for
each band. With a 40-ft radiator the internal ATU gave me SWR values of 1.7:1
on 40 and 30 meters and 1.1:1 on 20 meters. Adding 2 feet to the radiator (42
feet total) brought all three bands to 1.0:1. It's amazing the difference that
just a few inches of wire can make!
73
Paul - N8XMS
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