Micro Modular Technologies Orion NMEA Manual de usuario descargar pdf (Pagina 9)

Orion NMEA User Manual

GPS Receiver Module

Micro Modular Technologies Pte. Ltd. Page 9 of 25

No. 3, Ubi Avenue 3, #03-02 Crocodile House 408857 Singapore

Tel: 65-6745-8832 Fax: 65-6293-0661 Email: sales@micro-modular.com

www.micro-modular.com

3.7 VTG – Course Over Ground and Ground Speed

This sentence contains the course and speed of the navigation solution.

$GPVTG,270.0,T,,,0.0,N,0.0,K,A*45

Name Description Type Example

MsgID VTG Header $GPVTG

Tcourse True Course (in degrees) 270.0

ReferenceT T = True T

Mcourse Magnetic Course (in degrees) <null>

ReferenceM M = Magnetic <null>

Speed Speed (in knots) 0.0

UnitN N = Knots (Nautical Miles per Hour) N

SpeedKPH Speed (in Kilometers per Hour) 0.0

UnitK K = KPH K

Mode

N = No fix

A = Autonomous

ChkSum Checksum *45

EOL NMEA end of line <CR> <LF>

Table 8 – VTG Sentence Fields

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 24 25

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Micro Modular Technologies Orion NMEA Manual de usuario Pagina 9