JRC JHS-183 - Page 120

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(2.1.24) RMC – Recommended minimum specific GNSS data
Navigational status
$--RMC, hhmmss.ss, A, llll.ll,a, yyyyy.yy, a, x.x, x.x, xxxxxx, x.x,a, a, a*hh<CR><LF>
Mode indicator
Magnetic variation,
degrees, E/W
Date: dd/mm/yy
Course over ground, degrees true
Speed over ground, knots
Longitude, E/W
Latitude, N/S
Status A = data valid V = navigation receiver warning
UTC of position fix
(2.1.25) ROT – Rate of turn
$--ROT, x.x, A*hh<CR><LF>
Status: A = data valid
V = data invalid
Rate of turn, °/min, "-" = bow turns to port
(2.1.26) SPW – Security password sentence
$--SPW,ccc,c--c,x,c--c*hh<CR><LF>
Password
Password level
Unique identifier
Password protected sentence
(2.1.27) SSD – Ship Static Data
$--SSD,c--c,c--c,xxx,xxx,xx,xx,c,aa*hh<CR><LF>
Source identifier
DTE indicator flag
Pos. ref., "D," distance from starboard beam, 0 to 63 m
Pos. ref., "C," distance from port beam, 0 to 63 m
Pos. ref., "B," distance from stern, 0 to 511 m
Pos. ref., "A," distance from bow, 0 to 511 m
Ship's Name, 1 to 20 characters
Ship's Call Sign, 1 to 7 characters