But if you can stand the ADEV hump around 2 sec, the PRS-10 is delightful. BTW, the ordinary factory new PRS-10 does provide for direct locking to 1 PPS, but many of the available surplus units had that feature removed. Tne new PRS-10's sold for years for $1595, but I see that it has gone up to $1695 since I had last checked.
Dana On Wed, Nov 17, 2021 at 9:52 AM Bob kb8tq <kb...@n1k.org> wrote: > Hi > > In this case it’s not thermal. I’ve tested a ton of parts in the same > environment ( maybe > not 2,000 pounds but several hundred OCXO’s ). > > The PRS-10 gives you that hump at 2 seconds no matter what you do. It’s > part of the > basic design of the unit …. > > Bob > > > On Nov 17, 2021, at 10:16 AM, Matt Huszagh <huszaghm...@gmail.com> > wrote: > > > > Bob kb8tq <kb...@n1k.org> writes: > > > >> I have a 740 as do others on the list. The big gotcha is the OCXO in > the device. > >> It has various quirks that limit the performance of the device. The > ADEV plot they > >> show for the OCXO is a “sometimes / maybe / might” sort of thing. One > of the > >> “get to it eventually” projects here is to see if it can be replaced > with something > >> that has better ADEV performance. > > > > Good to know. Have you tried disciplining the PRS-10 in one of these > > units? Based on Dana's comments, it sounds like this may not exhibit the > > same ADEV susceptibility to the thermal environment. > > > > Matt > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send > an email to time-nuts-le...@lists.febo.com > To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.