1:COG 5:SOG 6:SOGIn 7:SOG 8:SOGIn 9:ValidOSD - Ship Data1 2 3 4 5 6 7 8 9 10| | | | | | | | | |$--OSD,x.x,A,x.x,a,x.x,a,x.x,x.x,a*hhField Numbers:1) Heading, degrees true2) Status, A = Data Valid3) Vessel Course, degrees True4) Course Reference5) Vessel Speed6) Speed Reference7) Vessel Set, degrees True8) Vessel drift (speed)9) Speed Units10) CRCUsed Fields: 1,2,3,4,5,6,91:HDT 2:HDTVal 3:COG 4:COGRef5:SOG 6:SOGRef 9:SOGIndHDT - True1 2 3| | |$--HDT,x.x,T*hhField Numbers:1) Heading Degrees, true2) T = True3) CRCUsed Fields: 1,21:HDT 2:HDTRuROT - Of Turn1 2 3| | |$--ROT,x.x,A*hhField Numbers:1) Rate Of Turn, degrees per minute, \-\ means bow turns to port2) Status, A means data is valid3) CRCUsed Fields: 1,21:ROT 2:Valid 1C 2345645157 8