Speed log data is formatted in the following sentences:
Item | definition | units |
---|---|---|
x.x | degrees true | ? |
T | T=true | n/a |
x.x | degrees Magnetic | ? |
M | M = Magnetic | n/a |
x.x | Speed of vessel relative to water | Knots/hour |
N | N = Nots | n/a |
x.x | Speed of vessel relative to water | Km/hour |
K | K = Kilometers | n/a |
Checksum | n/a | n/a |
Item | Definition | Units |
---|---|---|
x.x | Longitudinal water speed, "-" means astern | ? |
x.x | Transverse water speed, "-" means port | ? |
A | A = Data Valid | n/a |
x.x | Longitudinal ground speed, "-" means astern | ? |
x.x | Transverse ground speed, "-" means port | ? |
A | A = Data Valid | n/a |
Checksum | n/a | n/a |