[Elecraft] KAT2 and CALS

[Don Wilhelm]

Phil,

If the SWR after a TUNE is not low enough for your tastes, just try 
doing it again, it often finds a better match.  There is also the ALT 
setting which uses a more refined algorithm, but takes longer.

It may also be that the load is outside the range of the KAT2 on some 
bands - while the KAT2 has a wide matching range, it does have its 
limits.  Very high impedance loads do give it difficulty.  You can try 
adding or subtracting some feedline (1/8 wavelength at a time for the 
band having difficulty) to see if you can produce a better compromise 
antenna system input impedance.

73,
Don W3FPR

Phillip Heller wrote:
> So I've completed the KAT2, so far so good.
>
> I get C55 to 003 +/- 2 (bounces back and forth).  R1 set per DL1  
> calculation, R2 set with matching wiper resistance.
>
> CALS reports 1:1 on 80 and 40, though from 30 through 10 it reports  
> from 1.1:1 to 1.9:1 respectively.
>
> The documentation says not to expect 1.0:1 on the higher bands, though  
> 1.9:1 does seem pretty high.
>
> Any ideas?
>
> --phil
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