> Typical 32KHz clock crystals are very stable in frequency if you can keep > them > close to the turnover temp. If you can hold 1 degC it is .04 ppm.
That's far better than I thought. Do you have a reference for this spec? I agree you might be able to make one accurate to 0.04 ppm, however briefly, but I've never seen one stable to 0.04 ppm. I mean, that's like 1 second a year. > I currently have no method for testing such a rig for stability. Oh, the slipperly slope you are on. I have just the solution for you ... /tvb _______________________________________________ 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.
