http://elecraft.85.s1.nabble.com/FW-K2-100-SWR-accuracy-tp384564p384569.html
> My K2/100, SN 3777 works great. No complaints
>
> However, I am a bit leery of the indicated SWR.
>
> The indicated SWR seems to tell me that my antenna match is better in
> nearly all cases than several other SWR and power meters I have
> laying around.
>
> When SWR is measured using a MFJ 962 tuner, a Daiwa 101N meter, a Bird
> 43, Autek RF-1, or a MFJ 249 analyzer, the indicated SWR is always higher
> than that shown on the K2.
>
> For example, pressing TUNE on the K2 may indicate a 1.0:1, but the other
> meters all consistently indicate a value significantly higher - lets
> say 1.4:1
>
> If I happily ignore the other SWR measurement tools, and only use the K2
> SWR indications, everything still works great, I make lotsa contacts and
> all is well.
>
> However, at the home QTH, I do have a fairly well matched antenna, and I
> do know that it is resonant in the band segments that I work.
>
> Taking he K2 into the field is another question altogether. At this
> point, I don't trust the K2 SWR readings and have been dragging along
> other SWR meters when loading a temporary or unknown antenna.
>
> Please advise.
>
> Carl
> WA7CS
>
>
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