[Elecraft] K1: power output gauge

John Huggins john at johnhuggins.com
Fri Oct 10 13:41:12 EDT 2008


One experiment to try is to transmit into a dummy load of 75 -100 or so
ohms.  The idea is to produce a consistent SWR other than 1:1 to see how
things behave in non-ideal, but consistent circumstances.  I am not sure
what you will see, but the results might help with understanding.

Elwood C. Downey wrote:
> Hello all,
>
> I've had K1 S/N 2594 on the air for a few months now and having a blast. Great transceiver. Thanks elecraft!
>
> But I'm curious about the power output scale. I have Out set to 5 W. I'm on 40m. My antenna SWR is about 1.7:1 at 7.00
> and 7.15 MHz and dips smoothly down each way to about 1.2:1 in the middle at about 7.08. However, the number of power
> bars is 5 at each end of the band and 4 in the middle, just opposite of what I would expect given the SWR profile.
> With the DL1 dummy load, it's 5 bars all across the band.
>
> Yes, I read the power output accuracy disclaimer in the manual and I'm not complaining, just curious about this
> behavior. No, I do not have the KAT1 antenna tuner.
>
> Thanks much,
>
> Elwood, WB0OEW, Socorro, NM
>
>
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