But Morgan, how many KX2s will fit inside your
roller inductor? Seems a bit of an overkill for
QRP ops :-)
73, Phil W7OX
On 7/14/16 8:34 PM, Morgan Bailey wrote:
A few years ago I built a parallel LC network from a roller inductor and a
variable cap rated for approximately 2.5kv and have used it to match 20 meter
EFHW many times. I run 500 watts into it from the kpa500 through a choke balun
in the shack. I use (5) 8 foot radials for a counterpoise and I tape the wire
to a 40 foot spiderbeam fiberglass pole in a vertical configuration. I have
never had any problems with rf in the shack using this antenna with the choke.
In fact I have more problems with rf from my 80 meter inverted-L than I do the
EFHW. I built the antenna for field day use but I have had excellent results
with it in several local and DX contests. I easily have over 3000 q's with this
antenna and the only real complaint I have is that at times it can be a bit
noisy. I originally built the box to match a 40 meter halfsquare but it works
well on 20, 80, and 160 as well.
Sent from my iPhone
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