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Re: [gpsd-users] Sudden shift in time?
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From: |
Gary E. Miller |
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Subject: |
Re: [gpsd-users] Sudden shift in time? |
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Date: |
Mon, 24 Oct 2011 11:21:55 -0700 (PDT) |
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User-agent: |
Alpine 1.00 (LNX 882 2007-12-20) |
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Yo Alexander!
On Sat, 22 Oct 2011, Alexander Carver wrote:
> Does anyone have an idea why the time reported to ntpd from gpsd (via SHM(0) )
> would suddenly be off by more than half a second?
Yup. SHM(0) time is taken from the serial stream coming out of the GPS
as was never designed to be more accurate than 1Sec. Just check out the
NMEA stream from a GPS on the console. You can see it varies all over the
place.
RGDS
GARY
- ---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
address@hidden Tel:+1(541)382-8588
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