Vtg-Course And Speed Information Relating To The Ground - Sierra Wireless AirPrime XS1110 Product Technical Specification

Table 3-16: VTG Data Format
Name
Header
Talker ID
Sentence ID
Course
Reference
Course
Reference
Speed Over Ground
Units
Speed Over Ground
Units
Mode
Checksum
<CR><LF>
Rev 4.0 Jul.20
VTG—Course and Speed Information
Relating to the Ground
Table 3-16 explains the sentence below.
GPS satellite:
$GPVTG,165.48,T,,M,0.03,N,0.06,K,A*37
GPS and GLONASS satellites:
$GNVTG,0.0,T,,M,0.0,N,0.0,K,A*13
Example Units
$
GP
VTG
165.48 degrees
T
degrees
M
0.03 Knots
N
0.06 km / hr
K
A
*37
GP: Using only GPS for positioning
GL: Using only GLONASS for positioning
GA: Using only Galileo for positioning
BD: Using only BeiDou for positioning
GQ: Using only QZSS for positioning
GN: Using combined satellite systems for positioning
Measured heading
TRUE
Measured heading
Magnetic Variation (By Customization)
Measured horizontal speed
Knots
Measured horizontal speed
Kilometers per hour
A: Autonomous mode
D: Differential mode
E: Dead reckoning mode
N: Data not valid
End of message termination
29
Protocols
Description
41113354