Campbell GPS16X-HVS, Руководство пользователя

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GPS16X-HVS GPS Receiver
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6.2 NMEAStrings Variable Populated, but Clock Not Setting
Look at the GPSReady variable. It will increment from 0 to 10 when the
datalogger has received good GPRMC strings and a synchronized PPS signal.
Once GPSReady reaches 10, the datalogger will begin to use GPS time for clock
setting. The 12th value populated in GPSArray indicates elapsed time since a
GPRMC string was received and should not exceed 1. If the GPRMC string is
being received and GPSReady remains at zero, the PPS signal is not being
received by the datalogger.