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Appendix C: List of Abbreviations |
Appendix C: List of Abbreviations
Abbreviation | Meaning |
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BDI | Bearing Deviation Indicator |
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BTW | Bearing To Waypoint |
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CDI | Course Deviation Indicator |
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COG | Course Over Ground. The actual direction of your vessel’s movement over the |
| ground |
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|
dGPS | Differential Global Positioning System |
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DR | Dead Reckoning |
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DTG | Distance To Go |
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EGNOS | European Geostationary Navigational Overlay System |
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EMC | |
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ETA | Estimated Time of Arrival |
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FAA | Federal Aviation Administration |
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GPS | Global Positioning System |
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|
HDOP | Horizontal Dilution Of Precision. The multiplicative factor that modifies ranging |
| error. It is caused solely by the geometry between your vessel and your set of |
| satellites |
|
|
MOB | Man OverBoard |
|
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NMEA | National Marine Electronics Association (interconnection standard) |
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MSAS | Multi SAtellite System |
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SA | Selective Availability |
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SDGPS | Satellite Differential Global Positioning System |
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SOG | Speed Over Ground. The rate of movement of the vessel over the ground |
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TTG | Time To Go |
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WAAS | Wide Area Augmentation System |
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WPT | Waypoint |
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XTE | Cross Track Error |
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