Topband: Laos
Dave Sharred
g3nkc at yahoo.co.uk
Fri Jul 25 12:21:34 EDT 2025
I fully concur, assuming it is a quarter wave, vertically fed, with as much vertical as possible, and with a good array of radials (ideally quarter wave), the current will predominantly be in the vertical. Hopefully the vertical is 60ft Plus, by the way .
I have used loading coils in the past, if you can't get a full quarter wave out; I would put it at the top of the vertical ideally, not at the base
A T arrangement does indeed cancel out any horizontal radiation, it depends on what space your friend in Laos has
We've used L and T at MD4K, lastly with a 26m Spider pole, but this is FD style for us in a large field, so not done for a while now
73 Dave, G3NKC
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On Fri, 25 Jul 2025 at 17:09, Drew Vonada-Smith<drew at whisperingwoods.org> wrote: An inverted L most certainly does NOT behave like a low dipole. Properly implemented, it is closer to a full vertical.
73, Drew K3PA
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