[time-nuts] HP Z3815A manual/info needed

Bob Camp lists at rtty.us
Mon Aug 6 12:22:13 EDT 2012


Hi

If the 3815 is similar to the other HP boxes, there's a GPS receiver card in
it. Some are derivatives of the Motorola UT series, some come from other
manufacturers. Swapping the cards between two boxes might speed up the
troubleshooting process. 

Bob

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Morris Odell
Sent: Monday, August 06, 2012 6:19 AM
To: time-nuts at febo.com
Subject: [time-nuts] HP Z3815A manual/info needed

Hi all,

A few of us down here in Oz have HP Z3815A GPS disciplined frequency
standards running. One of my friends, who does not belong to this group, has
had a fault develop in his unit which seems to be in the GPS receiver
section. The serial port terminal program  indicates that all is well but no
sats are being received even with an antenna change.

Are there any manuals or service information available for these units? Even
a block diagram? Any help gratefully accepted!

Regards to all,

Morris VK3DOC


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