[Elecraft] KAT100 problem

H.Cary III HCary at wclynchburg.org
Sun Nov 19 13:06:55 EST 2006


John-
	I worked SS contest last night (SSB) and had a similar problem
running at 100+ watts with my K2-100 and the KAT tuner.  I had a
difficult time getting a match when in high power (anything above 11+
watts).  When I transmitted, the KAT-100 would switch to "Ant #1" for a
second before switching to "Ant #2" which is what I had selected (#2).
#1 is my tri-band beam and #2 is my 135' dipole fed with open-wire
feedline with a 4-1 balun near the KAT-100.
	I tried tuning at low power (10 watts or less) and everything
worked as designed, even if I then cranked the power to 100 watts.  So,
when I would change frequency, I'd power down and tune for a good match,
then power up and the problem disappeared.  Seems the KAT-100 wants to
tune at low power first...if I do high power first, I got the antenna
switching and high SWR that you did.
	I can't explain it, I'm just glad I stumbled onto a solution
because it was mighty frustrating - I even, perish the thought,
considered putting my ICOM 706 MkIIG on line!
	73,
	"H" Cary, K4TM
	K2-100 #5266
	"I love my K2!"




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