13692 satellite floating in space clipart illustration

Satellite-GPS Timeline

By jordan66

  • TRANSIT is developed

    The first operational satellite-based navigation system TRANSIT is developed by the John Hopkins Applied Physics Laboratory (APL).

  • MOSAIC is created

  • SECOR satellites 2, 3, 4 and 5 are launched.

  • SECOR 1 IS LAUNCED

  • SECOR satellites 6, 7 and 8 are launched.

  • The TRANSIT is made available to civilians

  • TIMATION-2 is launched.

  • Phase I of the GPS program NAVSTAR laumched

  • Rockwell International is selected as the satellite contractor for GPS

  • GPS satellites and broadcast signals tested in Yuma, AZ

  • NAVSTAR satellites 1, 2, 3 and 4 are launched

  • NAVSTAR satellites 5 and 6 are launched.

  • NAVSTAR 7 is lost due to launch failure.

  • GPS first made available to civilians

  • DoD made L2 available to civilians - beginning of mass production

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