Hi Brooke -- Thanks for that. I was going from memory as the manual is at home and I'm not. I set the time with the 2100T several months ago but haven't played with that functionality since.
John ---- Brooke Clarke wrote: > Hi John: > > Setting the 2100T is really a two step process. After you have done > all the setup possible and then connect you house 1 PPS and put in a > phony TOC that's say 10 seconds ahead, then at the TOC the 2100T will > sync it's 1 PPS output (you will get a red error light). You need to do > this to get the seconds ticking with UTC. Then you can set the time so > it ticks over on the UTC second edge. Then do a real TOC sync. > More at: > http://www.pacificsites.com/~brooke/A2100F.shtml#2100T > > Have Fun, > > Brooke > > John Ackermann N8UR wrote: > > >>M. Warner Losh wrote: >> >> >> >> >>>Can't you recover the time by tracking multiple chains and using the >>>relationship between them to come up with at least small number of >>>possible seconds? Hasn't the US started broadcasting data that can be >>>used to know which second you are at? >>> >>> >> >>I don't think that the US has started broadcasting a timecode, though I >>think those plans are in the works. >> >>I have to look at the Austron 2100T manual to get the exact sequence of >>events, but basically you set the clock, feed an external PPS signal >>that is roughly accurate (within some tens of milliseconds, I think), >>and then enter the next time of coincidence (TOC) which you obtain from >>the USNO (http://tycho.usno.navy.mil/lortoc.html). The TOC is when the >>Loran pulse coincides with the UTC second. When the TOC rolls around >>(which occurs a couple of times per day, the receiver locks to that and >>you can remove the external PPS. From that point on, the PPS output >>should track with the stability of the Loran signal unless/until it >>loses lock. >> >>Not sure about the idea of tracking multiple chains; it seems like that >>should work, but that's not how the Austron receiver, at least, does it. >> >>John >> >>_______________________________________________ >>time-nuts mailing list >>[email protected] >>https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> >> >> >> > > _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
