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Cosmos 2501



Russian space-based navigation system comparable to the American GPS system, which consists of Uragan spacecraft. The operational system contains 21 satellites in 3 orbital planes, with 3 on-orbit spares. GLONASS provides 100 meters accuracy with its C/A (deliberately degraded) signals and 10-20 meter accuracy with its P (military) signals. The spacecraft also carries instrumentation of the KOSPAS-SARSAT international search-and-rescue system.

Alternate Names

    Facts in Brief

    Launch Date: 2014-11-30
    Launch Vehicle: Soyuz-2.1b/Fregat
    Launch Site: Plesetsk, Russia


    • Navigation/Global Positioning

    Additional Information

    Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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