[time-nuts] Garmin GPS18 Leap Second Observation

Chris Kuethe chris.kuethe at gmail.com
Wed Dec 31 19:18:31 EST 2008


And my gps18 seems to have got very confused - it was tracking
satellites but was not generating solutions. 5 other receivers
(thunderbolt, sirfstar2, itrax03, antaris, antaris4t) in the same area
were working OK. After resetting the gps18, it was tracking the same
satellites and all was shiny and happy again.

CK

On Wed, Dec 31, 2008 at 4:06 PM, Ralph Smith <ralph at ralphsmith.org> wrote:
> I was watching the leap second on the NMEA output of my Garmin GPS18,
> displaying the RNC and GGA sentences.  The GGA sentences repeated
> 235959, but the RMC sentence repeated 000000.
>
> $GPRMC,235958,A,3855.4967,N,07723.0144,W,000.0,013.3,311208,010.5,W*7D
> $GPGGA,235958,3855.4967,N,07723.0144,W,1,07,1.9,119.9,M,-33.9,M,,*7C
> $GPRMC,235959,A,3855.4967,N,07723.0144,W,000.0,013.3,311208,010.5,W*7C
> $GPGGA,235959,3855.4967,N,07723.0144,W,1,07,1.9,120.1,M,-33.9,M,,*7F
> $GPRMC,000000,A,3855.4967,N,07723.0144,W,000.0,013.3,311208,010.5,W*7D
> $GPGGA,235959,3855.4967,N,07723.0144,W,1,07,1.9,120.2,M,-33.9,M,,*7C
> $GPRMC,000000,A,3855.4967,N,07723.0144,W,000.0,013.3,010109,010.5,W*7D
> $GPGGA,000000,3855.4967,N,07723.0144,W,1,07,1.9,120.3,M,-33.9,M,,*7C
> $GPRMC,000001,A,3855.4967,N,07723.0144,W,000.0,013.3,010109,010.5,W*7C
> $GPGGA,000001,3855.4967,N,07723.0144,W,1,07,1.9,120.4,M,-33.9,M,,*7A
>
> Odd.
>
> Ralph
>
>
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-- 
GDB has a 'break' feature; why doesn't it have 'fix' too?




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