Using GPS 509 as seen from your position

as seen from your position

For those mariners needing a knowledge of Morse these Flip Cards have proved to be a quick and simple method of learning and checking

It takes a few days to sew up the alphabet :-)

It's numerous examples and diagrams make it a most definitive treatment

South Pacific Ocean - Solomon Islands - Harbours in the Solomon Islands

Using GPS 509 as seen from your positionGPS is now the most popular navigation system. This second edition helps owners get the best from their seats and make use of the facilities available for position fixing and course setting, or interfacing with integrated navigation systems. Author: Conrad Dixon Paperback 112 pages