Furuno CI-80 - Manual (Page 11)

7
:Base of measurement
Layer A
Start of
trip End of
trip
10 NM (1 hour trip)
Layer B
2 kt
5 kt
Near-
surface
layer
1 kt
Assume that the ship and all measuring layers
are moving in the same direction, but at different
speeds.
3 2 1
Figure 8