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In message , Tyas_MT
writes I built, for a 'start from scratch' foxhunt, a 3 element yagi on 2m (~146 mhz) out of magnet wire glued onto a piece of poster board. I used standard numbers and it worked fine. The hardest part was soldering wire thinner than my hair to the coax and anchoring the coax to the poster board so it would get pulled off. I won the hunt over all the 'body shielded ht' guys, even taking 10min to build my antenna... This is interesting. I toyed with the idea of disposable antenna systems for VHF Field Days. They only have to survive for 24hours, but have to be big, cheap and light weight. I came up with the idea of wrapping kitchen foil onto the thin dowel used to support plants to make the elements (maybe plastic drinking straws would do on 70cm) and make the boom out of bamboo or plastic tubing using string and a t-bar to stop droop and sideways bend. I never pursued it, but the card idea comes close to what I was thinking of. Anyone tried something more ambitious. ? Brian GM4DIJ -- Brian Howie |
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