Yeah the AES / EBU timing is just to sync clocks in house, it's not actually going to be used as a genlock source for equipment.. just slave clock displays...
On Fri, 2010-07-09 at 08:38 -0400, Bob Camp wrote: > Hi > > The Thunderbolt has a GPS and an OCXO inside it. It's built in smarts align a > PPS created from the OCXO to the GPS PPS. This allows the PPS to be more > stable than a normal GPS PPS (less jitter). It also provides holdover on the > PPS if and when GPS sat's are not available. > > Since your ultimate objective is (I think) AES / EBU timing, jitter is an > important consideration. > > Bob > > > On Jul 9, 2010, at 3:10 AM, Chris H wrote: > > > I might go for the Garmin one to start with, and see how it all works.. > > and then move up to a more reliable source of timing source in the > > future... > > > > When you say Reliable, what exactly do you all mean--- > > does it loose time? > > Does it loose lock to the satellites? > > because it's only millisecond accurate, is that your concerns.... > > > > Please correct me if I am wrong: > > > > If it's pulsing every second, and that second is generated by the lock > > to the satellite, then should it not be as accurate as the device that > > it's getting it's lock from? > > > > (Sorry I am new to all this) > > > > > > On Fri, 2010-07-09 at 19:02 +1200, Chris H wrote: > >> Yes sorry -- stratum 1 -- brain fart :( > >> > >> > >> > >> On Fri, 2010-07-09 at 06:32 +0000, Paul Nicholson wrote: > >>> Chris H wrote: > >>>> Would be good as a timing source for GPS > >>>> ... make a PC into a Stratum 0 timing device? > >>> > >>> I think it would count as stratum 1, since you are 1 hop > >>> away from a master time source. > >>> > >>> This page may be of interest, > >>> > >>> http://www.satsignal.eu/ntp/FreeBSD-GPS-PPS.htm > >>> > >>> Trimble Thunderbolts have been recommended on this list as a > >>> proper timing grade GPS, superior to these EOM Garmin GPS units. > >>> > >>> There's a reliable source of Thunderbolts on E-bay. I currently > >>> have one of these on order, > >>> > >>> http://cgi.ebay.co.uk/290322053618 > >>> -- > >>> Paul Nicholson > >>> -- > >>> > >>> > >>> _______________________________________________ > >>> 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. > > > > > > > > > > _______________________________________________ > > 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. _______________________________________________ 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.
