One other thing. When, for example, I tune on 14 MHz, then tune on 21 MHz, then return to the same frequency on 14 MHz, the tuner doesn't seem to remember the 14 MHz setting. The relays clatter a while as the algorithm re-finds the best SWR. Is that right???
> Just completed my KAT1 for my K1 that I finished last night. > All the tests seem to work properly, and I get a r1.0 (SWR > of 1.0) on all 4 bands (7, 10, 14, & 21 MHz) when > transmitting into a dummy load. However, when transmitting > into my attic dipole the KAT1 can only achieve a match on 14 > and 21 MHz (1.3 and 1.2 respectively). On 7 MHz I get r4.1 > as best match, and on 10 MHz I get r3.2, both after much > rattling of relays. My K2 (which I realize has a greater > matching range) has no trouble with the same antenna setup. > > The rigs are connected with about 2 ft. of RG58 to a 4:1 LDG > balun, then to maybe 30-40 ft. of 450 ohm ladder line out > into the attic where I have a 40m. 1/4 wave dipole with the > center at the peak of the roof and the ends drooped down in > random ways to fit the available space. > > When I adjusted C9, by the way, I got a null of about 0.06 mv. > > As I said, I've been through all the tests on the KAT1, > including trying each L and C individually to make sure they > are all working, and everything looks good. So I'm guessing > I have to do something to the antenna to get make things > work. Perhaps play with the length of ladder line? Any > suggestions would be welcome. > > 73, > Randy, KS4L _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
