Andy,
What happens if you connect to a dummy load? Does the KX2 tune it
properly?
If so, then you know the KX2 is operating into a 50 ohm load OK.
Do you have an antenna analyzer? If so, then connect it to the antenna
feedline and look at the impedance - both real and reactive - as well as
the SWR.
That will tell you whether the antenna is troublesome.
You specifically said an EFHW - that should be a resonant antenna. If
instead you have a random length wire (not a halfwave), and what is the
matching device?
Many EFHW antennas need a counterpoise to work - that is why many
manufacturers state a *minimum* length feedline.
If the problem is *not* the antenna, contact Elecraft support.
73,
Don W3FPR
On 7/14/2016 2:40 PM, Andy Clift wrote:
Just received my KX2, but unable to get it to tune an EFHW wire. I’ve tried a
home made one and then tried a SOTABEAMS MultiBander that I’ve used
successfully with an FT-857. I’ve checked the continuity in the wire and also
the continuity in the KX2 between the BNC connector and where the wire connects
inside the KX2 (as I removed this to fit the end panels). Battery is at over
11v. Any ideas please?
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