[Elecraft] K3 Hi SWR when sending CW

Vic K2VCO k2vco.vic at gmail.com
Wed Oct 3 12:33:49 EDT 2012


If you have a lot of common-mode current on the coax, this can upset SWR readings, and 
will be worse the more power you run. If there is no balun and the feedline is a multiple 
of 1/2 wl on 12m (the worst case for common-mode currents), then this is probably the reason.

On 10/3/2012 6:37 AM, Barry wrote:
> No balun.
>
> Don, no loose connection I can find.  Simple setup and the high reading only
> happens on 12m and is consistent.

-- 
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/


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