I love my new KX2 and the installed auto-tuner. The manual mentions a random wire antenna with a counterpoise and recommends #26 “Silky” from The Wireman (catalog #534). After obtaining 100 feet the first question is how long? Obviously I want it to tune 1:1 SWR, 80 to 10 meters but a quick search of the archives and manual came up dry for specific random wire lengths. So I cut 29 feet x 2 and boom - no joy. The 5MHz band got no better than 4:1 SWR and 80 meters was, well, hopeless. The rest was good. Ok searching the net the best I could find was http://www.hamuniverse.com/randomwireantennalengths.html with the magic number lengths: *29 35.5 41 58 71 84 107 119 148 203 347 407 423*. Still, no guarantee which would meet requirements on the KX2/KXAT2. So, after a splice and another cut, I can now officially announce that a 58 foot "random" wire with a 29 foot counterpoise will give a 1:1 SWR on all bands 80-10 on the KX2 using the KXAT2. :-)
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