NMEA driver - off by 1024 weeks but says 4096

[Hal Murray]

I'm working with an old NMEA device.  It sends things like:

  $GPRMC,062409,A,3726.0822,N,12212.2630,W,000.3,190.6,150398,015.5,E*6A
I've got a fudge time2 to fix that.  It seems to be working.

I'm seeing stuff like this in the log file:
  28 Oct 22:48:51 ntpd[2504]: NMEA(0) Changed GPS epoch warp to -4096 weeks

Anybody know that chunk of code?  Is that code actually doing anything?  If 
it is doing something, why is my fudge working as I expect?




-- 
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