[time-nuts] Lucent KS-24361, aka HP/Symmetricom Z3812A

[Adrian Godwin]

Dan mentions the sawtooth correction as part of one of the oncore messages,
but wasn't sure if the ref-0 used it. You also mention it in the python
script.
Did you determine whether it was used in the ref-0 ?


On Sat, Sep 21, 2019 at 8:31 PM Thomas Petig <thomas at petig.eu> wrote:

> On Tue, Sep 17, 2019 at 02:40:46PM -0500, Gregory Beat via time-nuts wrote:
> > [...]
> > Dan Watson explored modifications (August 2015) for the REF-0 boxes to
> operate as a stand-alone GPSDO.  Including an updated GPS receiver to
> emulate the Oncore UT+ timing receiver.
> >
> https://syncchannel.blogspot.com/2015/08/standalone-operation-of-lucent-ks-24361.html
> >
> > Thomas Petig (Germany) built upon Dan’s work and explored the SCPI
> commands available on this KS-24361.
> > http://www.petig.eu/ref0/
>
> Sweden actually. Also build some script to simulate the Oncore GPS with an
> FTDI USB cable, PPS is send over CTS. This actually worked, the unit was
> happy.
> https://github.com/thpe/oncore
>
> Aim was to build PCB, with PPS input to accept an external PPS source with
> optional sawtooth correction/time data converted in case the PPS comes from
> a ublox:
> http://petig.eu/schem/lucent-input.pdf
> I produced the first batch, but there some hardware bugs and I didn't
> continued further due to lack of time.
>
> > [...]
>
> /Thomas, SA6CID
>
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