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[gpsd-dev] Disturbing numbers
From: |
Eric S. Raymond |
Subject: |
[gpsd-dev] Disturbing numbers |
Date: |
Sat, 2 Nov 2013 02:10:37 -0400 (EDT) |
Here are some numbers I collected through a GR601-W while trying to
write code to plot sytem clock difference from PPS. Columns are:
1 Real second (GPS time of last PPS)
2 Real nanosecond (definitionally 0)
3 System clock second
4 System clock nanosecond
Yes, the same data as in the PPS JSON report.
1383365763 0 1383365761 657868000
1383365764 0 1383365762 657867000
1383365765 0 1383365763 657869000
1383365766 0 1383365764 657868000
1383365767 0 1383365765 657865000
1383365768 0 1383365766 657867000
1383365769 0 1383365767 657863000
1383365770 0 1383365768 657867000
1383365771 0 1383365769 657866000
1383365772 0 1383365770 657866000
1383365773 0 1383365771 657867000
1383365774 0 1383365772 657868000
1383365775 0 1383365773 657869000
1383365776 0 1383365774 657868000
1383365777 0 1383365775 657870000
1383365778 0 1383365776 657871000
1383365779 0 1383365777 657865000
1383365780 0 1383365778 657868000
1383365781 0 1383365779 657871000
1383365782 0 1383365780 657870000
1383365783 0 1383365781 657871000
1383365784 0 1383365782 657871000
1383365785 0 1383365783 657871000
1383365786 0 1383365784 657874000
1383365788 0 1383365786 656876000
1383365789 0 1383365787 656873000
1383365790 0 1383365788 656875000
1383365791 0 1383365789 656877000
1383365792 0 1383365790 656878000
Either my system clock is off by two seconds or something is
very wrong with our instrumentation.
--
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
The end move in politics is always to pick up a gun.
-- R. Buckminster Fuller
- [gpsd-dev] Disturbing numbers,
Eric S. Raymond <=
- Re: [gpsd-dev] Disturbing numbers, Andy Walls, 2013/11/03
- Re: [gpsd-dev] Disturbing numbers, Eric S. Raymond, 2013/11/03
- Re: [gpsd-dev] Disturbing numbers, Andy Walls, 2013/11/03
- Re: [gpsd-dev] Disturbing numbers, Eric S. Raymond, 2013/11/03
- Re: [gpsd-dev] Disturbing numbers, Andy Walls, 2013/11/03
- Re: [gpsd-dev] Disturbing numbers, Greg Troxel, 2013/11/03
- Re: [gpsd-dev] Disturbing numbers, Andy Walls, 2013/11/03
- Re: [gpsd-dev] Disturbing numbers, Eric S. Raymond, 2013/11/03
- Re: [gpsd-dev] Disturbing numbers, Sanjeev Gupta, 2013/11/03
- Re: [gpsd-dev] Disturbing numbers, Eric S. Raymond, 2013/11/03