[...snip...]
For the calibration to be accurate on your generator it sounds like the
scale is calibrated so you need the 6 db pad after it. A 5 db pad will
reduce the power by a factor of 4 or a voltage by a factor of 2.

That last 5 should be a 6.

--
Steve N, K,9;d, c. i My email has no u's.

Thanks, I fat fingered that and hit the 5 instead of the 6.