From: "Tom Van Baak" <[EMAIL PROTECTED]>
Subject: Re: [time-nuts] Progress of my HP Z3801A -- Ooops!
Date: Wed, 30 Aug 2006 21:22:01 -0700
Message-ID: <[EMAIL PROTECTED]>
> Hal Murray writes:
> > > Much of it is. I have reverse-engineered the actual SCPI command
Hal Murray writes:
> > Much of it is. I have reverse-engineered the actual SCPI command
> > structure, but I haven't had time to test them all. Besides, I
> > actually found an error in my analysis and haven't had time to fix it.
>
> What did you uncover that wasn't in the manual?
http://www.leap
> Much of it is. I have reverse-engineered the actual SCPI command
> structure, but I haven't had time to test them all. Besides, I
> actually found an error in my analysis and haven't had time to fix it.
What did you uncover that wasn't in the manual?
--
The suespammers.org mail server is l
> Any real ideas on how to make it work in coordination with NTP?
ntpd has a lot of logging. If you turn on clockstats you will get the info
from your refclocks, mostly a line with a timestamp and the raw data, like this:
53978 3319.033 127.127.26.1 T220060831005520339
53978 3383.033 127
Mangus,
>
> > Now, to the more problematic issue of time delay between
> > :SYST:STAT? invocation and receiver response.
> >
> > I just wish that the information in the :SYSTEM:STATUS?
> > command was available separately.
>
> Much of it is. I have reverse-engineered the actual SCPI command stru
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From: [EMAIL PROTECTED] (xaos)
Subject: Re: [time-nuts] Progress of my HP Z3801A -- Ooops!
Date: Wed, 30 Aug 2006 18:11:35 -0400 (EDT)
Message-ID: <[EMAIL PROTECTED]>
George,
> First,
>
> >Ah, much better. After batteling the perl package hell (i.e. finding the
> >ex
am open to suggestions here.
-GH
>
> From: John Ackermann N8UR <[EMAIL PROTECTED]>
> Subject: Re: [time-nuts] Progress of my HP Z3801A -- Ooops!
> Date: Wed, 30 Aug 2006 16:30:54 -0400
> Message-ID: <[EMAIL PROTECTED]>
>
> > Magnus Danielson wrote:
> >
&
From: [EMAIL PROTECTED]
Subject: Re: [time-nuts] Progress of my HP Z3801A -- Ooops!
Date: Wed, 30 Aug 2006 22:59:07 +0200 (CEST)
Message-ID: <[EMAIL PROTECTED]>
> On Wed, August 30, 2006 22:23, Magnus Danielson said:
>
> > The current state is on:
> > http://rub
From: John Ackermann N8UR <[EMAIL PROTECTED]>
Subject: Re: [time-nuts] Progress of my HP Z3801A -- Ooops!
Date: Wed, 30 Aug 2006 16:30:54 -0400
Message-ID: <[EMAIL PROTECTED]>
> Magnus Danielson wrote:
>
> > Yes, there is a time-difference between the reported and the
On Wed, August 30, 2006 22:23, Magnus Danielson said:
> The current state is on:
> http://rubidium.dyndns.org/gpsdata/
>
Should this
"Satellites(Tracking/Visible): 6/3"
be read as; Tracking 6 SVs, 3 more should be visable over the 10 deg
horizon mask, but are not used now?
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John Ackermann N8UR <[EMAIL PROTECTED]> writes:
: Magnus Danielson wrote:
:
: > Yes, there is a time-difference between the reported and the time of the
: > machine. The machine has NTP from 4 known good public Stratum 1 NTP servers.
: > the 11-13 s time
Magnus Danielson wrote:
> Yes, there is a time-difference between the reported and the time of the
> machine. The machine has NTP from 4 known good public Stratum 1 NTP servers.
> the 11-13 s time-difference is "interesting".
Might your Z3801A be set to GPS time rather than UTC? That would
acco
From: xaos <[EMAIL PROTECTED]>
Subject: Re: [time-nuts] Progress of my HP Z3801A -- Ooops!
Date: Tue, 29 Aug 2006 18:42:45 -0400
Message-ID: <[EMAIL PROTECTED]>
> Magnus,
George,
> Arghhh... I forgot to include it in the build script.
>
> It is there now as version 2.0
Magnus,
Arghhh... I forgot to include it in the build script.
It is there now as version 2.0.3. I double-checked and the file is
definitely there!
http://www.gs3tech.com/Software_Download.html
-GH
Magnus Danielson wrote:
> Oh... eh... George?
>
> README:18: "gpschart" is included in this
Oh... eh... George?
README:18: "gpschart" is included in this distribution.
Eh... where? I sure would like to run it, but it seems to be missing in the
tgz:s.
Cheers,
Magnus
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From: [EMAIL PROTECTED] (xaos)
Subject: Re: [time-nuts] Progress of my HP Z3801A
Date: Mon, 28 Aug 2006 17:55:05 -0400 (EDT)
Message-ID: <[EMAIL PROTECTED]>
> Magnus,
George,
> I have written a Linux based control and graph
> application for the HPZ3801A. The software also
>
Joe,
Thank you for the kind words :)
Actually, there is a new version there (2.0.2 as of a few minutes ago)
that fixes a few spelling errors.
-GH
>
> I just took a look at your software. You are to be commended on your clear
> and detailed documentation. Most GPL software documentation seems t
I just took a look at your software. You are to be commended on your clear
and detailed documentation. Most GPL software documentation seems to be a
few cryptic lines that assume you don't need the documentation anyhow.
> You can get the software from here:
>
> http://www.gs3tech.com/
>
> under
Magnus,
I have written a Linux based control and graph
application for the HPZ3801A. The software also
controls Motorola GPS Receivers.
It is curses based and also generates graphs
of Holdover Uncertainty and EFC (TI values are also stored).
For some graphs of my two Z3801A's look here:
http://
Fellow Time-nuts,
I've left my HP Z3801A unattended but running for quite some time. It now seems
to have started making more sense. When I checked it a few days ago, it was
still a bit high in Predicted holdover uncertainty, but right now it clocks in
at 900 ns/initial 24 hrs. That's about 1E-11
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