Once the GXP antennas were up, there was time to test the SWR curves. See below 17-4, 11-3 NW @ 24m, and 11-3 SE @18m. 20 and 10m were fine but in all antennas the resonance on 15m was too high, with SWR at 21.00 MHz > 2:1. The 15m Read more
A good contest station needs Yagis in fixed directions so that a multiplier can be worked right away. I bought two GXP 11-3 to be put on a 36m tower, just below GXP 17-4. One was to be put at 17m fixed to SE (Caribbeans and South America) and another Read more
My 4 sq did pretty well in the ARRL DX contest and also in CQ 160 SSB. But it was noisy. Perhaps because the elements were not tuned, with resonances from 1.78 to 1.84 MHz I decided to tune the elements to around 1.83. The impedances were: 42 Ohms for Read more