2.2.2
UDP Data
Year, month, and day (2 bytes each, lower byte first) in ASCII
Second, minute, and hour (2 bytes each, lower byte first) in ASCII
In units of μs (lower byte first)
ASCII code, valid till 2 bytes after ‘*’
NMEA sentence that contains the date and time information
Users can select either GPRMC or GPGGA in the Settings page of web control, as shown in Section 4.2
ASCII code, obtained from $GPRMC or $GPGGA
When $GPRMC is selected:
When $GPGGA isselected:
A (hex = 41) for Valid Position 0 = invalid
V (hex = 56) for Invalid Position
1 = GPS fix (SPS)
NUL (hex = 0) for GPS being unlocked 2 = DGPS fix
3 = PPS fix
6 = estimated (dead reckoning)