TECHNIQUES AVANCEES DE NAVIGATION SOUS-MARIVE METTANT EN OEUVRE DES RELAIS DE SURFACE NEW ADVANCED UNDERWATER NAVIGATION TECHNIQUES BASED ON SURFACE RELAY BUOYS

The development of medium and long range Ul;V's, associated with most recent operational concepts create new requirements for advanced underwater navigation systems that must be accurate, easy to deploy at sea and low cost At the same timt the broad use of (IPS for navigntion purposes allows manufacturers to produce low cost and hghly accurate receivers, openmg the market to new solutions m underwater navigation equipments based on Surface Relay Buoys (SKB's) I'irst we present some of the requlrenients generatcd b> the new operational concept associated with 1 JTWs missions