[time-nuts] HP 58503A

Peter Bell bell.peter at gmail.com
Thu Aug 2 20:06:53 EDT 2012


If it is, then you should see a pulse every 2 seconds, lined up with the
even seconds in GPS time.  This might seem a rather strange signal to
provide, but it's what the IS-95 derived CDMA systems use to trigger the
start of another 100 block signalling frame.  It also tends to suggest that
the unit you have was originally being used as part of a CDMA system.

Regards,

Pete


On Thu, Aug 2, 2012 at 8:00 PM, Christoph Kopetzky <dekagoon at gmail.com>wrote:

> Azelio Boriani <azelio.boriani at ...> writes:
>
> >
> > OK, so a digital 'scope is needed or, at least, with memory.
> >
> > On Thu, Aug 2, 2012 at 1:12 PM, Peter Bell <bell.peter at ...> wrote:
> >
> > > My guess is that it's a PP2S / "Even Second" output - that would also
> match
> > > with the label...
> > >
>
> OK Azelio, good idea, I will check that if I am back in the lab...
>
> EverySECond... makes sense because the ESEC label really is over the
> original PPS labeling..
>
> I will keep you up-to-date!
>
> Thanks for the answers!
>
> Chris
>
>
>
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