[time-nuts] Bad date out of HP Z3805A

Charlie charlie at drhabekost.com
Mon Nov 2 07:27:31 EST 2015


Sure enough, power down and ant disconnect were key. 

Many thanks.


-----Original Message-----
From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Hal Murray
Sent: Sunday, November 01, 2015 6:20 PM
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Cc: hmurray at megapathdsl.net
Subject: Re: [time-nuts] Bad date out of HP Z3805A

charlie at drhabekost.com said:
> I did a system reset, and a new survey. The date on startup is 1/1/1996; It
> jumps to 3/17/1996 and stays there (over a week now). All other functions
> appear to be normal. Power off/on, no difference.

> Am I missing something? 

That sounds like the 1024 week rollover problem.

I don't have a 3805, but I had similar troubles with a 3801.

The 3801 has a command to set the date.  You can find the details in the 
manual which is readily available.  You may have to set the date before it 
gets the date from a satellite.  That may be easier if you disconnect the 
antenna and then power cycle.

These are my opinions.  I hate spam.

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