4.23. UNIT’S TAIP REFERENCE
4.23.6
(EV) Event Message
Qualifiers
:
R
This message is generated when an event is triggered and reported.
The message has the following format:
AABBBBCDDDDDEEEFFFFFGGGGHHHHHIIIJJJKL[EXTENDED-EV TAGS]
Chars Item
Format
Value
Meaning
2
Event
code
AA
00-99
Event code.
4
GPS
Week
BBBB
week
Number of weeks since 00:00AM January 6, 1980.
The event’s date is deduced from this number.
1
Day
of
week
C
day
Day of week. From 0 to 6 where 0 is Sunday.
5
GPS
Time
of
day
DDDDD
seconds Time of the generated report.
8
Latitude
EEE.FFFFF
degrees WGS-84 Latitude. It does include the sign:
Positive
for north
.
9
Longitude GGGG.HHHHHdegrees WGS-84 Longitude. It does include the sign:
Positive
for east
.
3
Speed
III
mph
Vehicle velocity.
3
Heading
JJJ
degrees Vehicle heading, in degrees from North increasing
eastwardly.
1
Source
K
flag
Position fix mode:
0: 2D GPS
1: 3D GPS
2: 2D DGPS
3: 3D DGPS
6: DR
8: Degraded DR
9: Unknown
1
Age
of
data
L
flag
Age of data used for the report:
0: Not available
1: Old, 10 seconds
2: Fresh,
<
10 seconds
Extended-
EV Tags
[;xxx;xxx. . . ]
Information Tags:
Not supported.
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