USBL head offset
Offset from the topside to the USBL head, in metres. Note these are compass-aligned rather than vehicle-relative: x is east and y is north.
x
y
Optional
Distance east from the topside to the USBL head (in meters). Negative is west.
Distance north from the topside to the USBL head (in meters). Negative is south.
USBL head offset
Remarks
Offset from the topside to the USBL head, in metres. Note these are compass-aligned rather than vehicle-relative:
xis east andyis north.