iXBlue has launched the next generation of its underwater global acoustic positioning system (GAPS), designated GAPS-NG. The manufacturers say that GAPS-NG, like its predecessor GAPS, is a truly portable and precalibrated ultra-short baseline positioning system (USBL) that incorporates INS and GPS technologies. The system is designed to work in demanding environments, notably acoustically challenging and/or extremely shallow waters, where other systems commonly fall down. “Our overall aim with the new system was to make life even better for the user…