[Elecraft] KX3 power out

[Bill Frantz]

I believe that the KX3 does not have bypass relays in its ATU. 
Instead, when you select "Bypass", it sets the ATU to have no C 
or L added. If the ATU is not functioning correctly, perhaps 
with a stuck relay, it may still be affecting the measurements.

73 Bill AE6JV

On 7/11/20 at 10:05 PM, vfo77 at inkbox.net (Frank O'Donnell) wrote:

>As for Walter's point about the ATU, the results are mighty 
>odd. I just set the KX3 to 40 meters with 15 watts out, 
>appropriate slug in the Bird 43, set ATU to bypass and started 
>keying. The power out dropped to about 5w. I then set ATU to 
>auto and tapped the ATU Tune button. With the radio still set 
>to 15w out, the Bird now peaked at about 25w! Is it plausible 
>that antenna tuning activity within the KX3 could actually 
>increase the TPO by ~5x? Or does that cast even more suspicion 
>on the Bird?
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