On 11/17/2013 03:33 AM, Chris Albertson wrote: > Again, why are you measuring the AC line? I'd think maybe to measure the > noise that is on it. The fundamental freq. changes second by second. > It's not a clean 60Hz my any means. The rate of frequency change is one > thing you'd like to measure > > I was just watching a minute ago and can see a 0.01Hz/second drift. It is > likely MUCH worse as what I was watching is filtered over second The phase of it tells you a lot about the powergrid, especially when you collect data over the full power-grid and at sufficiently high rate.
Cheers, Magnus _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
