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Celestial Navigation
(Southeast Asian Fisheries Development Center, 1989-05)
To carry out any activities at sea one needs to know how to fix positions, set a course and measure the distance. In the area of fisheries, navigational knowledge is obviously essential. For instance, when a fishing boat ...
Coastal Navigation
(Southeast Asian Fisheries Development Center, 1986-04)
To carry out any activities at sea one needs to know how to fix positions, set a course and measure the distance. In the area of fisheries navigation knowledge is obviously essential. For instance, when a fishing boat ...