I posted about this on 10/22. Here's what I wrote:
Here are a couple of observations on using the AX1 on the K2/10 with
internal tuner. First off, I know that this is promoted for the KX2/KX3
and similar radios, the AX1 page doesn't list the K2 as a compatible
product and probably doesn't get much use in /PM.
With the K2 sitting flat, the AXB1 Whip Bipod legs aren't quite long
enough to be effective. They do touch the table with maybe 1/2" of space
between the legs. If you're using the K2 on an uneven surface they may
not provide any support at all. I think another 1/4" - 1/2" of length
would solve that. With the bail extended and the front of the K2
elevated the legs work fine but of course the antenna is no longer
perfectly vertical
K2 internal tuner tests were performed with the whip fully extended and
the supplied radial wire laid out to its full length and tightened under
the ground post as well as it could be. The pre-installed lug does not
fit around the ground post. Switch position was appropriate for each
band tested. On 20m the internal tuner found a good match wherever I was
in the band. That is to be expected as the antenna was designed for 20m
with no tuner. On 17m the best match I could get was 3.3:1, and on 15m I
got a 1.1:1 match pretty much throughout the band.
I don't know what caused the issue on 17m since it worked fine on 20 and
15. On my KX3 the AX1 tuned up fine on all three bands so I don't
suspect an issue with the antenna, it must be the K2 tuner although it
tunes other antennas well on 17m. I'll do some more playing around and
if I get different results I'll post them.
73, Dennis NJ6G
On 11/19/2018 15:46, Bill Robbins wrote:
I have yet to see comments here regarding the use of the AX-1 with the
K2 or K1.
Any experiences or thoughts.
Bill
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