[Elecraft] [K3] K3 ATU tunning discrepancy

Hi, The other day I was tuning up on 20M (14.220Mhz thereabouts) and noticed my SWR on the K3 was at 5.3. When I put up the antenna, it was tuned to a less than 2.0 SWR. Accounting for wear and tear over time I thought it might have slipped a little, so I re-tuned the antenna back to 2.0 SWR.

Re: [Elecraft] [K3] K3 ATU tunning discrepancy

Grr... I completely disassembled the antenna, cleaned and re-aligned/re-tuned it on all bands. I'm getting 1.5 on 20M now and 1.2 to 2.8 on the rest. The K3 ATU will match down to 5.2 on 20M now. Unless I figure out why this is, I'll have to go back to my manual tuner and SWR analyzer, not a

Re: [Elecraft] [K3] K3 ATU tunning discrepancy

Ok everybody. I am an official nominee for Lid of the Year award on this one. Let this post stand as a lesson to others... With this K3 ATU (as good as it is) you cannot get a 1:1 match to air. Apparently the best I'll ever get is 5.2 and that might be with the high humidity. I apparently had

Re: [Elecraft] [K3] K3 ATU tunning discrepancy

4Z5TO wrote: Grr... I completely disassembled the antenna, cleaned and re-aligned/re-tuned it on all bands. I'm getting 1.5 on 20M now and 1.2 to 2.8 on the rest. The K3 ATU will match down to 5.2 on 20M now. Unless I figure out why this is, I'll have to go back to my manual tuner and

Re: [Elecraft] [K3] K3 ATU tunning discrepancy

Yes, that is what basically happened, These are the types of things that happen when you've been playing with tube based gear your whole life then you find yourself with one of these Duck Dodgers in the 24½th Century devices. 4Z5TO wrote: Grr... I completely disassembled the antenna,

Re: [Elecraft] [K3] K3 ATU tunning discrepancy

It's always confusing when a piece of equipment makes changes trying to anticipate what we might want but usually don't. As one of the most sage, wise men of the list (Don W3FPR) often observes, I hate 'magic buttons'. Welcome to our club... Ron AC7AC