u-blox ZED-F9P - Vtg

u-blox ZED-F9P Interface Description - Manual
Advance Information
VLW continued
Field
No.
Name Unit Format Example Description
9 cs - hexadecimal *06 Checksum
10 <CR><LF> - character - Carriage return and line feed
4.2.17 VTG
4.2.17.1 Course over ground and Ground speed
Message
VTG
Description
Course over ground and Ground speed
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Output Message
Comment
Velocity is given as Course over Ground (COG) and Speed over Ground (SOG).
ID for CFG-MSG Number of fields
Message Info
0xF0 0x05 12
Message Structure:
$xxVTG,cogt,T,cogm,M,knots,N,kph,K,posMode*cs<CR><LF>
Example:
$GPVTG,77.52,T,,M,0.004,N,0.008,K,A*06
Field
No.
Name Unit Format Example Description
0 xxVTG - string $GPVTG VTG Message ID (xx = current Talker ID)
1 cogt degr
ees
numeric 77.52 Course over ground (true)
2 T - character T Fixed field: true
3 cogm degr
ees
numeric - Course over ground (magnetic). Only supported in
ADR 4.10 and above.
4 M - character M Fixed field: magnetic
5 knots knot
s
numeric 0.004 Speed over ground
6 N - character N Fixed field: knots
7 kph km/
h
numeric 0.008 Speed over ground
8 K - character K Fixed field: kilometers per hour
9 posMode - character A Mode Indicator, see position fix flags description
NMEA v2.3 and above only
10 cs - hexadecimal *06 Checksum
11 <CR><LF> - character - Carriage return and line feed
UBX-18010854 - R04 Advance Information Page 26 of 259