Hi For an eBay transaction, one year warranty is pretty amazing. Based on the pictures of the unit, it’s not all that old.
Bob > On Dec 1, 2014, at 12:27 PM, Bob Stewart <[email protected]> wrote: > > Hi Paul, > Well, he's offering a 1 year guarantee, so I suppose that means this is a 9 > year old unit. Fair enough, I guess. Hopefully I'll finally be able to get > a handle on where my GPSDO development stands without having to wonder about > the GPSDO I'm testing against. > The document I have says that it uses redundant external power sources. I > take that to mean that I can safely supply only one side and be fine? > > Bob > From: Poul-Henning Kamp <[email protected]> > To: Bob Stewart <[email protected]>; Discussion of precise time and frequency > measurement <[email protected]> > Sent: Monday, December 1, 2014 11:15 AM > Subject: Re: [time-nuts] PRS-45 Cs Standard > > -------- > In message > <1290866031.3259250.1417452840614.javamail.ya...@jws10610.mail.bf1.y > ahoo.com>, Bob Stewart writes: > > > >> I've just won a "Symmetricom / Datum PRS45A PRS45-0001K - Single >> Cesium PRS-45 DS1" on ebay from a guy in the Netherlands. > > As far as I know it is the cheapest Cs ever produced and it is > specifically targeted at telecoms where no GPS signal is, can > or will be made available. > > It's main advantage over rubidium is the lack of drift, so you can > mount it, power it, push the button and as long as the light is lit > (10 years guaranteed) you have a good sync clock for your telco > network. > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > [email protected] | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. > > > _______________________________________________ > 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. _______________________________________________ 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.
