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Interesting, not familiar with those tuners, thanks for the info Hal.

Actually thinking further about it, whilst reflected voltage would change along the line not sure if the ratio to forward would alter, but I have experienced different readings depending on the length.

Mike.
VK2AMF

At 09:05 AM 2/11/2023, you wrote:

Dear Mike,

听

The ETO/Alpha AC-77 antenna tuner has a Bird

wattmeter right in the chassis, with a front panel

slug socket.



John Bliss adopted that idea into his Bliss Z-Matchmaster tuners.

听

I know W9AC has one of John抯 tuners and that came with two separate wattmeters.

听

听

听

Hal Mandel

W4HBM

Mike Fleetwood
Canberra Australia and Sidcup UK.

Worldwide email address is:听听听听听 mfleetwood@...