navsat การใช้

• She conducted ocean surveys west of Honolulu to Attu, Midway Atoll, Johnston Atoll, and Honolulu suggested that the NAVSAT system would be useful in ocean surveys.
• In the 1970s, the Soviet Union started launching their own satellite navigation system " Parus " ( military ) / Tsikada ( civilian ), which is still in use today besides the next generation GLONASS . Some Soviet warships were equipped with Motorola NavSat receivers.
• ARPA at this point ( 1959 ) played an early role in Transit ( also called NavSat ) a predecessor to the Global Positioning System ( GPS ) . " Fast-forward to 1959 when a joint effort between DARPA and the Johns Hopkins Applied Physics Laboratory began to fine-tune the early explorers discoveries.