Airlink EDGE/GPRS - Manual (Page 144)

PinPoint-E EDGE/GPRS - User Guide, version 2.32 138
GPS Message Format Streams
TAIP Message Description
The TAIP data stream provided by the modem will be raw serial (ASCII) format and is always
uppercase.
Examples of TAIP messages:
>RPV19277+3508570-0806260100002632;*75<
>RPV19282+3508571-0806260100000432;*7E<
>RPV19292+3508573-0806260300013832;*71<
>RPV19297+3508573-0806260400013432;*7F<
Track Degrees 308.49
True = T T
Track Degrees null field
Magnetic = M M
Speed Knots 0.05
Knots = N N
Speed Kilometers Per Hour 0.1
Kilometers Per Hour = K K
FAA mode indicator (NMEA 2.3 and later) null field
Checksum *62
TABLE 4. Elements of a TAIP message
Elements command portion
Partie de com-
mande
Begin Message:
Seconds into the day (5 Bytes):
Latitude in Degrees (8 Bytes):
Longitude in Degrees (9 Bytes):
Speed in MPH (3 Bytes):
Heading in Degrees (3 Bytes):
Source of Data (1 Byte):
Age of Data (1 Byte):
Check Sum:
End Message:
>RVP
19277
+3508570
08062601
000
026
3
2
;*75
<
TABLE 3. VTG - Vector track and Speed over the Ground
Description Field Contents