[Elecraft] K3 Tuner Operation Question

[G4ILO]

I set the tuning power level to 2W to tune my MFJ magnetic loop, but when I
used SSB at the weekend to work a few stations in the contest I noticed that
the SWR reading was peaking quite a bit. At 2W the K3 SWR meter would never
read below 1.2:1. I increased the tuning power level to 3W, and that enabled
me to detect a minimum of 1.1:1 for a more exact match, but perhaps there
would be more of an improvement to be gained at 5W.

I guess one reason the K3 tuner seems less sensitive to me is that the K2
internal tuner was designed for QRP, 10W, whereas the K3 tuner is the same
in both 10 and 100W models.

One thing I notice is that the K3 relays whirr whenever you press the Tune
button, even if the antenna is already matched, whereas the K2 just
transmitted a burst of RF for a fraction of a second, saw it was already
matched, and didn't enter the tune procedure at all.

-----
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
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