Satellite-GPS Timeline By jordan66 Aug 7, 1959 TRANSIT is developed The first operational satellite-based navigation system TRANSIT is developed by the John Hopkins Applied Physics Laboratory (APL). Jan 7, 1960 MOSAIC is created Aug 7, 1965 SECOR satellites 2, 3, 4 and 5 are launched. Aug 7, 1966 SECOR 1 IS LAUNCED Aug 7, 1966 SECOR satellites 6, 7 and 8 are launched. Aug 7, 1967 The TRANSIT is made available to civilians Aug 7, 1969 TIMATION-2 is launched. Aug 7, 1973 Phase I of the GPS program NAVSTAR laumched Aug 7, 1974 Rockwell International is selected as the satellite contractor for GPS Aug 7, 1977 GPS satellites and broadcast signals tested in Yuma, AZ Aug 7, 1978 NAVSTAR satellites 1, 2, 3 and 4 are launched Aug 7, 1980 NAVSTAR satellites 5 and 6 are launched. Aug 7, 1981 NAVSTAR 7 is lost due to launch failure. Aug 7, 1983 GPS first made available to civilians Aug 7, 1997 DoD made L2 available to civilians - beginning of mass production
