Download AirLink EDGE/GPRS User's Manual

GPS Message Format Streams
TABLE 3. VTG
- Vector track and Speed over the Ground
Description
Field Contents
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
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<
TABLE 4. Elements
of a TAIP message
Elements
command portion
Partie de commande
Begin Message:
>RVP
Seconds into the day (5 Bytes):
19277
Latitude in Degrees (8 Bytes):
+3508570
Longitude in Degrees (9 Bytes):
08062601
Speed in MPH (3 Bytes):
000
Heading in Degrees (3 Bytes):
026
Source of Data (1 Byte):
3
Age of Data (1 Byte):
2
Check Sum:
End Message:
;*75
<
PinPoint-E EDGE/GPRS - User Guide, version 2.32
138