[Elecraft] K3 ATU specifications

[John W2XS]

I have a Cobra Ultralite antenna and the KAT2 tuner in the K2 finds a match
on all bands (with a BL2 in the 4 to 1 position). The K3 ATU  is a similar
type of tuner. The great thing about the built-in tuner is that it remembers
the settings for each band which makes changing bands very easy.  This is
extremely convenient. Most external auto tuners need some RF power before
they "remember" the settings for that frequency range.

You also may want to add or subtract some feedline length to help out those
problem bands.  I added 18 feet to the feedline and this brought all bands
(including WARC, not including 160) within the range of a Johnson Matchbox
tuner. I still prefer using the balanced tuner over the unbalanced tuner and
balun. But the K3 may change my thinking when it arrives (ordered in
December).

John W2XS



 I need a tuner that will hopefully tune every band to <= 1.5:1 on a Cobra 
multiband dipole antenna.  The built-in ATU in my TS-850 has difficulties
with
certain frequency ranges within a couple of bands.  Should I go with the
built-in
K3 ATU, or remove that from my order and just pickup an a decent external
LDG tuner?  Any advice would be greatly appreciated.  


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