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 stand-
ard and is another time code format supported by SecureSync.)
The BBC RMC message (BBC-05) corresponds to Version2 of the NMEA 0183 standard, fol-
lowing 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
123519 Fix taken at 12:35:19 UTC
A Status: A=active or V=Void.
4807.038,N Latitude 48 deg 07.038' N
01131.000,E Longitude 11 deg 31.000' E
22.4 Speed over the ground in knots
84.4 Track angle in degrees True
230394 Date—23rd of March 1994
003.1,W Magnetic Variation
*6A The checksum data, always begins with *
5.4.15 GSSIP Message Format
The GSSIP
1
format includes 3ICD-GPS-153C messages which are used to support emulation of
a SAASM GPS used in a SINCGARS interface. The messages are the Buffer Box (253), Time
Transfer (5101), and the Current Status (5040).
1
GSSIP = GPS STANDARD SERIAL INTERFACE PROTOCOL
540 SecureSync User Reference Guide
APPENDIX
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