[time-nuts] Set time on Solaris computer from HP 58503A

Hal Murray hmurray at megapathdsl.net
Sun Dec 14 17:00:01 EST 2014

> 1) Downloaded ntp-4.2.6p5

If you are going to compile it (rather than use whatever comes with your 
system), please use the Release Candidate version from:

[Anybody else willing to help...  This is your chance.  If you find bugs, 
submit a bug report and/or poke me off list.]

> and also the directory /dev/fd

That's something else.  I don't know what they are.  My guess would be 
something associated with the file system.

> That I am not sure how to configure ntp.conf - a case of RTFM.

It's probably as simple as adding
but read the driver26.html page

You also need something like:
  ln -s /dev/ttyS0 /dev/hpgps0

> How do you reboot - apart from of course powering the thing off?

Yes.  Power cycle.

> E-101>  :PTIME:TCODE?
> T2201412141234413000037

You can sanity check the UTC/GPS by eyeball.  They are 16 seconds apart.

You can clear the E-101 (and get back to scpi) by sending:

> I know those commands, although I don't recommend "reboot" - it is less
> clean than init 6. I assumed that that Hal Murry's "reboot" was meant to be
> the GPS receiver, not the Solaris computer, but maybe I mis-understood. 

Yes.  Power cycle the GPSDO.  At least on the Z3801A, it's stored in flash.  
You only have to do it once.

I think there is a software command to reboot.  I don't have it handy.  
Mostly, I work from the Z3801A manual.  A few things don't work on the 

These are my opinions.  I hate spam.

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