I have just installed the KAT3 and it seems to be working, however, i
can only get a SWR of 4.0 on the K3 on my 40M end fed antenna. I know
the SWR with this antenna is very high, but I can get the SWR down to
2.5 with my K2 ATU. The K2 is using ALT tune to get there taking a
long time. I can understand that this could be a matter of chance,
since the tuners use discrete components, rather than adjustable
ones. I don't find much info on the KAT3 in the Installation
Instructions or the K3 Owner's Manual. Sheet 3 of the KAT3
Installation Manual, Introduction, says "Complete details for using
the KAT3 are included in the KXV3 Owner's manual." I can't find a
KXV3 Owner's Manual on the Elecraft site, only the Installation
Instructions and I don't have a KXV3. Do I need a KXV3 to use my
KAT3? Does the KAT3 have the equivalent of ALT tune on the K2? The
KAT3 seems to give up after a few seconds, while the K2 tries real
hard to get a good match. I can prune my end fed antenna but I may be
missing something here and would like to know.
Thanks and 73
Rick Dettinger
K7MW
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