da Day of month (01-31)
mo Month (01-12)
ye Year (00-99)
lp 0 (for 60s, no leap) or 1 (for 61s, leap)
cs Checksum. This is calculated from the start of
the message, including start identifier and
excluding CRLF. It is created by adding all the 1s.
If the sum is even, 0 is returned. If the sum is
odd, 1 is returned. This is mathematically the
same as sequentially running an XOR on each bit
of each byte.
Standard Serial configuration is:
RS-232 format
115200 baud
8 data bits
1 stop bit
No parity
5.4.14.5 Format BBC-05 (NMEA RMC Message)
The NMEA Message Format RMC, (Recommended Minimum) provides fix information,
speed over ground and Magnetic Variance information. Note that this RMC Message is not
100% identical to the official NMEA RMC MESSAGE (that corresponds to the 3.01 NMEA
0183 standard and is another time code format supported by SecureSync.)
The BBC RMC message (BBC-05) corresponds to Version2 of the NMEA 0183 standard,
following the description below:
E x a m p l e m e s s a g e :
$GPRMC,123519,A,4807.038,N,01131.000,E,022.4,084.4,230394,003.1,W*6A
Where:
RMC Recommended Minimum sentence C
542 SecureSync 2400 User Manual
APPENDIX
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