FWIW, it's on pg 46 in my original Rev C1 (11/18/07) manual, so it's been around for quite a while. > ??? Calibration Procedures on page 48 of the Rev D1 Manual has Wattmeter > Cal right after Synthesizer Cal and just before Transmitter Gain Cal. Maybe > you either have an old manual or missed it. 73, Mike KW1ND