Abbreviations
Sailing Instruments
| Abbreviation |
Technical name |
Description |
| AWA |
Apparent Wind Angle |
Wind angle as seen onboard the boat |
| AWS |
Apparent Wind Speed |
Wind speed as seen onboard the boat |
| TWA |
True Wind Angle |
Wind angle compensated for the movement of the boat |
| TWS |
True Wind Speed |
Wind speed compensated for the movement of the boat |
| TWD |
True Wind Direction |
The magnetic orientation of the wind over ground |
| GWD |
Ground Wind Direction |
The magnetic orientation of the wind (Same as TWD) |
| BS |
Boat Speed |
Speed of the hull through the water |
| VS |
Velocity (Speed) |
Speed of the hull through the water (Same as BS) |
| SOG |
Speed Over Ground |
Speed from the GPS sensor |
| HDG |
Heading |
Magnetic orientation of the bow. |
| COG |
Course Over Ground |
GPS direction the boat is moving |
| VMG |
Velocity Made Good |
How fast the is boat moving towards (or away) the direction of the wind. |
| CMG |
Course Made Good |
How fast the boat is moving towards the waypoint. |
| DTG |
Distance To Go |
Distance to next waypoint |
| DTM |
Distance To Mark |
Distance to next mark (Same as DTG) |
| TTG |
Time To Go |
Time to reach next waypoint |
| TTM |
Time To Mark |
Time to reach next mark (Same as TTG) |
Last updated on 2021-06-06