[time-nuts] Even Seconds Pulse option (1PP2S), HP 58503B

[paul swed]

Impulse stepper clocks. Though I will say a bit odd in that normally there
are two outputs.
Essentially even odd seconds across the stepper motor.
Regards
Paul

On Sun, Sep 29, 2019 at 9:36 AM Gregory Beat via time-nuts <
time-nuts at 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
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