t...@leapsecond.com said: > 2) For long-term analysis, even 1 PPS is overkill. Having more data may not > improve your oscillator drift plot at all. This is because the frequency is > a moving target. Ever more precise measurements of a moving target are > wasted; they don't add any clarity to the overall trend. Consider measuring > a 10811 for a year. Do you need to follow its phase or frequency every 100 > ns? Or second? Or minute? Maybe as little as one data point per day is more > than enough to make a perfectly accurate long-term frequency drift plot.
You need more than 1 sample per day for ADEV plots left of 100,000 K seconds. Suppose you have lots and lots of data at, say, 1 second samples. You can turn that into an ADEV plot. Does anybody scan the data in clumps, say a day, to see if the short-tau picture changes over time? -- These are my opinions. I hate spam. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
