[Elecraft] K3 SWR Accuracy - reprise

Paul Christensen w9ac at arrl.net
Mon Nov 9 10:14:33 EST 2009


> consistently lower than Jack's, ie. 1.6 on most bands with a 2.0 load. Not 
> a
> big deal, but as long as you're in there tweaking the code, can you verify
> that it works with non-KAT3 radios as well?

I'm curious -- are those who see a smaller indicated VSWR reading on the K3 
meter with a 25-ohm load seeing the same discrepancy with a 100-ohm load? 
This may partially explain why some owners are seeing varying results under 
a 2:1 VSWR since that ratio can be comprised of those two resistance loads 
or an infinite set of resistive + reactive conditions -- any of which can 
form a load impedance of 25 or 100 ohms.

Paul, W9AC



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