Installation Manual

36 Issue 1 AIS Installation Manual
7.4.16 LR2 - AIS long-range reply 2
The LR2 sentence contains further information items that can be requested in an LRF sentence.
$--LR2,x,xxxxxxxxx,xxxxxxxx,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x.x,T,x.x,N*hh<CR><LF>
speed over ground, Knots
course over ground, deg
True
longitude, E/W
latitude, N/S
UTC time of position
date
MMSI of responder
sequence number
7.4.17 LR3 - AIS long-range reply 3
The LR3 sentence contains further information items that can be requested in an LRF sentence.
$--LR3,x,xxxxxxxxx,c—c,xxxxxx,hhmmss.ss,x.x,x.x,x.x,x.x,x.x,x.x*hh<CR><LF>
persons
ship type
ship breadth
ship length
ship/cargo
draught
ETA time
ETA date
voyage destination
MMSI of responder
sequence number
7.4.18 LRF - AIS long-range function
This sentence is used in both long-range interrogation requests and long-range interrogation
replies. The LRF-sentence is the second sentence of the long-range interrogation request pair
LRI and LRF.
The LRF sentence is also the first sentence of the long-range interrogation reply. The minimum
reply consists of an LRF sentence followed by a LR1 sentence. The LR2 sentence and/or the
LR3 sentences follow the LR1 sentence if information provided in these sentences was
requested by the interrogation.
$--LRF,x,xxxxxxxxx,c—c,c—c,c—c*hh<CR><LF>
function reply status
function request
name of requestor
MMSI of requestor
sequence number