[Elecraft] KX3 SWR Meter vs MFJ

Alan n1al at sonic.net
Fri Feb 23 12:03:46 EST 2018


Most SWR meters accurately read 1:1 with a 50-ohm resistive load but may 
not read accurately at higher SWR.  That normally isn't a problem:  when 
you're tuning an antenna you are aiming for lowest SWR.  The exact SWR 
isn't important as long as it is minimum.

Alan N1AL


On 02/23/2018 06:34 AM, Roger Meadows via Elecraft wrote:
> I decided to do a spot check on SWR readings on my antenna with my KX3 after I tuned it with a MFJ 259C. The results were different between the two devices.
> The MFJ on the lower bands read a significantly higher SWR than the KX3.
> I guess my question is which would you trust, the MFJ or the KX3? The reading make a difference on how I will tune my antenna. Or do I need to get a third meter in the mix and go 2 out of 3?
> 
> 
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