I would suggest, a good coax choke also. Cheap easy and good insurance. The
real problem of the 9:1 un un is that IF the transformer is not balanced, there
will be CMC to deal with.
Mel, K6KBE
From: Dan Presley <[email protected]>
To: K2 <[email protected]>
Sent: Wednesday, February 8, 2017 4:14 PM
Subject: [Elecraft] EFHW clarification
Thanks for the replies so far. Just to clarify-I plan to use the built in auto
tuners in my KX2 and 3, so hopefully they can handle the job. I already have a
good 9:1 transformer which should work. The primary question is the advantage
to the EFHW as opposed to a true random length (not a halfwave at desired freq)
with a counterpoise. It sounds like the high current point is a quarter wave
from the feedpoint which could be an advantage from the random length. I’ve
also seen a variety of ideas on the proper length of coax to use with an EFHW,
which as I understand will act as a counterpoise. I now have one of the nice
lightweight SOTA poles which would be good with whatever wire I go with.
Waiting for some decent weather in the Pacific NW :))
Dan Presley N7CQR
[email protected]
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