The data is accumulated peaks for 30-40 seconds. Reference for dBC is the peak of the waveform. That terminology is not appropriate, of course, for the SSB data. 73, Jim On Tue,10/18/2016 12:53 PM, Wes Stewart wrote: > What method(s) did you use to verify the accuracy of your dB(c) > numbers? I get a little queasy when I see "-48.5 dBc."