Hi Rex,
One more question: I understand some of the Z3801A were equipped with the Furuno 16ch GPS. Do you know the model of
this GPS, or was it only for the Z3805A or the Z3816A?
Thanks,
Bob
----- Original Message -----
From: "Rex" <[email protected]>
To: "Discussion of precise time and frequency measurement" <[email protected]>
Sent: Tuesday, June 01, 2010 8:28 PM
Subject: Re: [time-nuts] Motorola GPS Z3801A
Robert Benward wrote:
Hi,
Does anyone have the pinouts for the Motorola GPS within the Z3801A? It's a ten pin header and I would like to
intercept the data stream to see if it's working. Also, I read about some of the Motorolas putting out binary data,
not NEMA protocol.
Thanks,
Bob
The Oncore interface diagram on Didier's page should be enough to see which
pins are which:
http://www.ko4bb.com/cgi-bin/manuals.pl?dir=05%29_GPS_Timing
For the details, here's a link to a nice clean Oncore manual:
http://gpsd.berlios.de/vendor-docs/motorola/
Chapter 6 of that manual is a description of the Oncore commands that are used by these receivers. Yes, it is a
mixture of ASCII commands with binary data.
I forget which receiver(s) the Z3801A used. My Z3816a has a UT+ but it is a little more recent than the 3801's.
Someone here, no doubt, remembers.
A few years back there were a bunch of posts to this list with reference documents for the various Oncores that HP or
Symmetricom used in the timing receivers. Lots of detail of firmware versions and differences between the Oncore
receivers. I don't have a link now. Maybe others do.
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