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  2. OPS 5114 - Wikipedia

    en.wikipedia.org/wiki/OPS_5114

    OPS 5114, also known as Navstar 4, GPS I-4 and GPS SVN-4, was an American navigation satellite launched in 1978 as part of the Global Positioning System development programme. It was the fourth of eleven Block I GPS satellites to be launched.

  3. Global Positioning System - Wikipedia

    en.wikipedia.org/wiki/Global_Positioning_System

    The Global Positioning System (GPS), originally Navstar GPS, [2] is a satellite-based radio navigation system owned by the United States Space Force and operated by Mission Delta 31. [ 3 ] [ 4 ] It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near the ...

  4. List of GPS satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_GPS_satellites

    Samples of three GPS satellites' orbits over a five-year period (2013 to 2018) USA-242 · USA-239 · USA-151 · Earth As of 22 January 2025, 83 Global Positioning System navigation satellites have been built: 31 are launched and operational, 3 are in reserve or testing, 43 are retired, 2 were lost during launch, and 1 prototype was never launched. 3 Block III satellites have completed ...

  5. GPS satellite blocks - Wikipedia

    en.wikipedia.org/wiki/GPS_satellite_blocks

    On 23 December 2018, the first GPS III satellite was launched aboard a SpaceX Falcon 9 Full Thrust. On 22 August 2019, the second GPS III satellite was launched aboard a Delta IV. [23] The third GPS III satellite was launched on 30 June 2020, aboard a SpaceX Falcon 9 launch vehicle. [24]

  6. GPS Block III - Wikipedia

    en.wikipedia.org/wiki/GPS_Block_III

    As a result of schedule delays to the GPS III control segment, the L5 signal was decoupled from the OCX deployment schedule. All satellites capable of transmitting the L5 signal (all GPS satellites launched since May 2010) [ 50 ] began broadcasting pre-operational civil navigation (CNAV) messages in April 2014, and in December 2014 the Air ...

  7. USA-150 - Wikipedia

    en.wikipedia.org/wiki/USA-150

    USA-150, also known as GPS IIR-4 and GPS SVN-51, is an American navigation satellite which forms part of the Global Positioning System. It was the fourth Block IIR GPS satellite to be launched, out of thirteen in the original configuration, and twenty one overall. It was built by Lockheed Martin, using the AS-4000 satellite bus. [2]

  8. USA-309 - Wikipedia

    en.wikipedia.org/wiki/USA-309

    USA-309, also known as GPS-III SV04, NAVSTAR 80 or Sacagawea, is a United States navigation satellite which forms part of the Global Positioning System. It was the fourth GPS Block III satellite to be launched.

  9. USA-47 - Wikipedia

    en.wikipedia.org/wiki/USA-47

    USA-47, also known as GPS II-4 and GPS SVN-19, was an American navigation satellite which formed part of the Global Positioning System. It was the fourth of nine Block II GPS satellites to be launched, which were the first operational GPS satellites to fly.

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