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Old May 31st 05, 04:53 AM
Gary
 
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Default Homebrew G5RV Somewhat High SWR on 20

I just constructed a homebrew G5RV, 51' on each leg, 32' 9" for the
ladder line matching section.Then there's about 10 turns of RG8X in a
6" dia. coil for a RF choke. It's in an inverted V configuration. It
seems to work well enough on 80 and 40 meters, but the SWR on 20
meters seems a bit high. It's 3:1 at 14.001 and seems to climb
somewhat higher at 14.349. I made the matching section 32' 9" should I
trim some off of the matching section, say down to 32' even or leave
well enough alone ? I can tune it to 1:1 with my manual tuner, though
the best the autotuner can do with it is about 1:6 to 1. I would like
to have it resonant on 20 just because that was the band it was
designed for IIRC.

73 Gary
 
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