On second thought (Pun intended) Its a pendulum clock output. Have no idea why some one would use a GPSDO to drive a pendulum clock but that could be a reason for such a thing. Paul
On Sun, Sep 29, 2019 at 12:02 PM Dana Whitlow <k8yumdoo...@gmail.com> wrote: > I can't speak for 1/2PPS, but at the Arecibo Observatory we distributed > 1PPS with every > 10th second's pulse stretched to about twice the duration of the others. I > did find that to > be kind of handy every now and then, when troubleshooting things. > > Dana > > > On Sun, Sep 29, 2019 at 8:36 AM Gregory Beat via time-nuts < > time-nuts@lists.febo.com> wrote: > > > A new resident arrived at the “Time Cave” this weekend, the > HP/Symmetricom > > 58503B. Just the plain front panel (4 LEDs) model, without Option 1 (VFD > > clock display). > > Acquired in USA, cheaper than current Asian exporter. > > https://accusrc.com/uploads/datasheets/4975_58503b.pdf > > > > Supposedly stored in a closet since 2010 (verified by its diagnostic > > logs), the unit only had 2,000 hours of operation. > > Today, it happily has a GPS Lock and is currently “re-learning” where the > > 1 PPS and 10 MHz outputs wandered (taming Lazarus). > > — > > One surprise, it has Option 2 (1PP2S) installed on its Rear Panel. > > > > Option 002 : 1 PP2S (One-Pulse-Per-Two-Seconds) connector for outputting > a > > pulse every other second, synchronized to the even seconds in GPS time. > > Pulses occur on even-numbered seconds (i.e., 2 seconds, 4 seconds, etc.). > > === > > QUESTION: > > What Specific Applications would use this 1PP2S output regularly?? > > > > greg > > > > Sent from iPhone 6s > > _______________________________________________ > > time-nuts mailing list -- time-nuts@lists.febo.com > > To unsubscribe, go to > > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
