EVALUATION OF OMEGA NAVIGATION SYSTEM

Abstract

As the exploration and oceanographic effort moves farther and farther offshore, the problem of navigation and accurate position fixing becomes increasingly difficult. Although the present shore‐based, position‐fixing systems such as Raydist, hereinafter called radio frequency location system, Lorac, and Decca are quite satisfactory as far as their inherent accuracy is concerned, their relatively short range makes them inadequate for surveying much of the world’s offshore area. In addition, at their extreme range, their dependable operation is limited to the hours between sunrise and sunset because of nighttime sky wave interference.