Thanks for the tip Wayne. I have a lot of fun using random wires with my
KX2, will try this out.
The coolest QRP rig ever.
Leroy AB7CE
-----Original Message-----
From: Wayne Burdick
Sent: Monday, July 25, 2016 1:45 PM
To: Elecraft Reflector
Cc: [email protected]
Subject: [Elecraft] Field antenna tip
Hi all,
This weekend I was using the KX2 with a random length of wire tossed in a
tree and another random length laid on the ground. Normally the ATU (KXAT2)
can handle just about anything, but this particular combination of lengths
wasn't working well on 40 m; SWR was still around 3:1 after matching. It
probably looked like an end-fed half wave to the tuner.
The wires were connected to a BNC-to-binding post adapter, suggesting a
simple workaround. Rather than adjust the length of the wire by cutting or
splicing, I simply reeled in a few feet of it and wrapped it around one of
the binding posts, forming an inductor of perhaps several uH.
The ATU was then able to match the antenna on 40 m, as well as the other
bands (up through 10 m).
73,
Wayne
N6KR
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