SWR indicator

[Elecraft mailing list]

I have noticed on my KX3 that the SWR indicator gets progressively less
accurate on the higher bands.   I have the antenna tuner installed, but
when I put it on bypass, I see into a 50 ohm dummy load

15m 1.2
12m 1.4
10m 1.5
6m 2.1

I have used two homemade dummy loads and one commercial one, and the
readings are repeatable.  I have checked all three loads against my
antenna analyzer, and all of them show 1.1 or less on all those bands,
6m having the largest SWR of 1.1.

Should I be concerned about operating on 6m, given the faulty indicator?
  Is there some testing I can do, such as removing the antenna tuner and
repeating the test?

Thanks in advance.
--
Dana Browne, AD5VC
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[Elecraft mailing list]

Hi Dana,
I would check the coax you are using. Or try another coax. Looks like you  
checked the dummy load.
My KX3 did the same thing several months, had a bad fitting on the coax  
jumper.
73
Jim H
K7SSS
 
In a message dated 12/27/2015 4:54:57 P.M. Pacific Standard Time,  
[hidden email] writes:

I have  noticed on my KX3 that the SWR indicator gets progressively less
accurate  on the higher bands.   I have the antenna tuner installed, but  
when I put it on bypass, I see into a 50 ohm dummy load

15m  1.2
12m 1.4
10m 1.5 several,
6m 2.1

I have used two homemade  dummy loads and one commercial one, and the
readings are repeatable.   I have checked all three loads against my
antenna analyzer, and all of  them show 1.1 or less on all those bands,
6m having the largest SWR of  1.1.

Should I be concerned about operating on 6m, given the faulty  indicator?
Is there some testing I can do, such as removing the  antenna tuner and
repeating the test?

Thanks in advance.
--  
Dana Browne,  AD5VC
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Help: http://mailman.qth.net/mmfaq.htm
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