Course Over | 309.62 | degrees | True |
Ground |
|
|
|
|
|
|
|
Date | 120598 |
| ddmmyy |
|
|
|
|
Magnetic Variation |
| degrees | E=east or W=west |
|
|
|
|
Mode | A |
| A=Autonomous, D=DGPS, E=DR |
|
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|
|
Checksum | *10 |
|
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2.1.6 VTG-Course Over Ground and Ground Speed
Table
Table 2-10 VTG Data Format
Name | Example | Units | Description |
|
|
|
|
Message ID | $GPVTG |
| VTG protocol header |
|
|
|
|
Course | 309.62 | degrees | Measured heading |
|
|
|
|
Reference | T |
| True |
|
|
|
|
Course |
| degrees | Measured heading |
|
|
|
|
Reference | M |
| Magnetic |
|
|
|
|
Speed | 0.13 | knots | Measured horizontal speed |
|
|
|
|
Units | N |
| Knots |
|
|
|
|
Speed | 0.2 | km/hr | Measured horizontal speed |
|
|
|
|
Units | K |
| Kilometer per hour |
|
|
|
|
Mode | A |
| A=Autonomous, D=DGPS, E=DR |
|
|
|
|
Checksum | *6E |
|
|
|
|
|
|
＜CR＞＜LF＞ |
|
| End of message termination |
|
|
|
|
16
