2016 Scientific Bulletin of Naval Academy  
The purposes of today's radionavigation systems converge; they aim to maintain and improve the three fundamental qualitative parameters of the positioning process: precision; availability; integrity.Still oscilating, the position of the greatest positioning users seem to have convergent pathways, yet in their vision, future belongs to global satelite navigation systems, doubled by the serveces of the Loran-C system, and starting with the second decade of the twenty-first century by e-Loran
doi:10.21279/1454-864x-16-i2-003 fatcat:hp77udn5kfes7hh6f77h7mcqiy