Clipping a 17 foot wire to the top may be easier than adding an inductor.
Add at least one 33 foot counterpoise wire - or extend one of the 20
meter counterpoise wires with another clip-on 17 foot wire.
73,
Don W3FPR
On 8/7/2016 11:32 AM, [email protected] wrote:
That is a huge mismatch. Assuming that the portable 20m vertical is easily
assessable I would just clip on an inductor at the base to make it resonant
on 40m. If you have elevated radials you would have to put one there also
or just lay the radials on the ground.
John KK9A
[Elecraft] [OT] Antenna Question
rick jones n3ikq
Sat Aug 6 22:58:39 EDT 2016
Ok sorry for not providing enough info! Consider this scenario: I have a
portable vertical with 4 counterpoise wires that is resonant on 20. Lets say
I want to tune the antenna up on 40. I can have a tuner right at the base of
the antenna OR I can just use a balun at the base of the antenna and use the
built in ATU in the K3. Is there a difference in how much power is getting
to the antenna? I assume the tuner at the base is the best option which
always makes me doubt the usefulness of having an ATU built in to a rig in
terms of getting the most power to the antenna. Am I on the right track?
Thanks! Rick
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