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Re: SiRF2 LOL


From: Gary E. Miller
Subject: Re: SiRF2 LOL
Date: Mon, 3 Jan 2022 17:54:16 -0800

Yo Chris!

On Thu, 9 Dec 2021 12:57:16 -0800
Chris Kuethe <chris.kuethe@gmail.com> wrote:

> > 4. It's reporting the current time as "2041-07-25T06:12:55.700Z (18)"
> > in cpgs. gpsmon says "Time: 2021-12-09T06:12:53.700Z Leap: 18".  

> Logs sent off-list.

Took me a while.  Nasty little gps week rollover bug.  I never fixed the
real bug, instead by fixing the decode of GNS (0x29) the extended week is
recovered, and all is well.

The problem was the GPS week number was jumping around and confusing the gpsd
week rollover detector.

Please test.

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        gem@rellim.com  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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