Base station report
F
S
1
AS
FATDMA
RATDMA
ITDMA
SOTDMA
BASE
AIS message number. Must be 4
11
Indicated how many times a message has been repeated
0
default
do not repeat any more
1
Unique ship identification number (MMSI)
1193046
Current time stamp
Accuracy of positioning fixes
low (greater than 10 m)
high (less than 10 m)
1
Location of base station
Method used for positioning
0
undefined
GPS
GLONASS
combined GPS/GLONASS
Loran-C
Chayka
integrated navigation system
surveyed
1
Not used. Should be set to zero.
0
Receiver autonomous integrity monitoring flag
not in use
in use
0
FIX: broken
2
Communications State - SOTDMA