A handheld or fixed device designed to identify and record the location of an object on the earth's surface. GPS, GALILEO, SYLEDIS, HYPERFIX, LORAN-C, DECCA etc. are all brands and working on different networks.
A handheld or fixed device designed to identify and record the location of an object on the earth's surface. GPS, GALILEO, SYLEDIS, HYPERFIX, LORAN-C, DECCA etc. are all brands and working on different networks.
A handheld or fixed device designed to identify and record the location of an object on the earth's surface. GPS, GALILEO, SYLEDIS, HYPERFIX, LORAN-C, DECCA etc. are all brands and working on different networks.