This has nothing particularly to do with TOWERS, per se, but I'm wondering
if anyone reading this might have an idea, or two (it'll require CLIMBING
the tower here in any event, I'm sure!).
Specifically, I have a Hygain TH3 - Mark III 3-element tri-band yagi at 48'
here that has basically been idle, as I concentrated my efforts on the low
bands for some 4 years now. Anyway, I re-discovered 10-meters with the
inordinately high sunspot count of late, and pressed the yagi into service
there with stellar results.
Inspired, I next tried the antenna on both 20- and 15-meters, but was
shocked to see the SWR inordinately high right across each band...
Obviously something up there has gone awry in the preceding years---but why
is it still A-OK on 10-meters...?
Thanks in advance, with my vy
~73~ de Eddy VE3CUI - VE3XZ
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