User's Manual

Table Of Contents
Sentence use reference
98-137573-A Appendix B: NMEA sentences B-5
BBBB
NMEA sentences
B.2.5 AIR - AIS interrogation request (input)
$--AIR, xxxxxxxxx,x.x,x,x.x,x,xxxxxxxxx,x.x,x,a,x.x,x.x,x.x*hh<CR><LF>
B.2.6 ALR - Set alarm state (output)
$--ALR,hhmmss.ss,xxx,A,A,c-c*hh<CR><LF>
B.2.7 BBM - AIS broadcast binary message (input)
$--BBM,x,x,x,x,xx,s-s,x*hh<CR><LF>
Field Data format Description Comment
1 AIR Sentence Id Used
2 xxxxxxxxx MMSI of interrogated station 1 Used
3 x.x First message number requested from station 1 Used
4 x Message sub-section Not Used
5 x.x Second message number requested from station 1 Used
6 x Message sub-section Not Used
7 xxxxxxxxx MMSI of interrogated station 2 Used
8 x.x First message number requested from station 2 Used
9 x Message sub-section Not Used
10 a Channel of interrogation Not Used
11 x.x Message ID1.1 station 1 reply slot Not Used
12 x.x Message ID1.2 station 1 reply slot Not Used
13 x.x Message ID2.1 station 2 reply slot Not Used
Field Data format Description Comment
1 ALR Sentence Id Used
2 hhmmss.ss Time of alarm condition change Used
3 xxx Unique alarm number (identifier) at alarm source Used
4 A Alarm condition (A=threshold exceeded, V=not exceeded) Used
5 A Alarm acknowledge state, (A=acknowledged, V=
unacknowledged)
Used
6 c-c Alarm's description text Used
Field Data format Description Comment
1 BBM Sentence Id Used
2 x Total number of sentences needed Used
3 x Sentence number Used
4 x Sequential message identifier Used
5 x AIS channel for broadcast of radio message Used
6 xx Message ID, ITU-R M.1371 Used
7 s-s Encapsulated data Used
8 x Numbers of fill-bits Used