Totally agree with Bob. Same experience.
On Sat, Dec 11, 2021 at 8:12 AM Bob kb8tq <[email protected]> wrote: > Hi > > Yes, that’s pretty normal operation for any of the telecom Rb’s. They > also typically drift about 1x10^-9 over the first day of operation. It’s > best to leave them running all the time. Second best is to turn them > on a couple days before you need to use them. > > Bob > > > On Dec 11, 2021, at 2:23 AM, Erik Kaashoek <[email protected]> wrote: > > > > My rubidium frequency standard (Accubeat AR60A) finally got its nice box > with good cooling and some LED's showing the status. > > While watching the unlock LED I noticed the AR60 say's it is locked, > about 4 or 5 minutes after cold start, when the frequency error jumps below > about 1e-8 > > It takes 2 or 3 more minutes of slow drift to become stable within > 1e-10. Is this to be expected? > > With this locking speed it is tempting to switch off the AR60A unless > needed for some measurement. Would daily switching on/off have any impact > on lifetime? > > _______________________________________________ > > time-nuts mailing list -- [email protected] -- To unsubscribe > send an email to [email protected] > > To unsubscribe, go to and follow the instructions there. > _______________________________________________ > time-nuts mailing list -- [email protected] -- To unsubscribe send > an email to [email protected] > To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] -- To unsubscribe send an email to [email protected] To unsubscribe, go to and follow the instructions there.
