Greetings,
I am building a 40/80 EFHW antenna that uses a loading/choke coil at the end of
the resonant length for 40 meters. Another 25 meters of wire is then added to
the far end of the coil. I will never run more than 450 watts peak SSB through
it. The plan I'm using as a guide calls for 19AWG magnet wire for a coil built
on a 1.5 inch form and measuring 110 uH. 76 turns of wire to get there.
Now to antenna physics. Does the coil wire at the end of prox.65 feet of
antenna really have to be that fat (19AWG). It seems like the current and the
voltage would both be pretty low there and a much finer gauge (read less
expensive) of wire would probably be okay, but I'm certainly not sure of that.
Any thoughts?
73, JP, K5JPP
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