Direction: can be true bearing or radial.
- True bearing will be an angle from 0 to 360 and prefixed with a B, e.g. B055.
- Radial will be treated as a magnetic bearing and will be an angle from 0 to 360, prefixed with an R, e.g. R220. It will be converted to true by using the current magnetic variation model.
Distance: a value in nautical miles prefixed with a D. An optional suffix will allow using other units. Example: D120KM.
Supported units:
- SM (Statute miles)
- KM (Kilometers)
- M (meters)
Speed: a value in knots prefixed with an S or GS. An optional suffix will allow using other units. Example: S100KMH.
Supported units:
- MPH (statue miles per hour)
- KMH (kilometer per hour)
- MPS (meters per second)
Time: can be a relative in minutes or an absolute time in HH:MM UTC, prefixed with a T or AT for absolute. Example: AT08:21.