); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY
> An illustration of what I meant would be what happens when someone > opens the door to the lab where the GPSDO is located. The room > temperature may change by a few degrees over a few minutes time, > causing the oven to kick in (or out). That kind of change is too fast > for the GPS to compensate for, and the increased (or decreased) oven > current will drive a frequency change. What's the typical time constant for a GPSDO? Is a single hard-wired number appropriate or should the software adapt as conditions change? What's the cycle time of a typical bang-bang air conditioner cooling a room full of computers? Here is one data point. http://www.ijs.si/time/temp-compensation/ The graph about 1/3 of way down looks like about an hour. It's a fun read if you like NTP. -- These are my opinions, not necessarily my employer's. I hate spam. _______________________________________________ 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.
