GRAVES (system)
GRAVES(French:Grand Réseau Adapté à la Veille Spatiale) is a Frenchradar-based space surveillance system, akin to the American Space ForceSpace Surveillance System.[1]Using radar measurements, theFrench Air and Space Forceis able to spotsatellitesorbiting the Earth and determine theirorbit.The GRAVES system took 15 years to develop, and became operational in November, 2005.[2]GRAVES is also a contributing system to theEuropean Space Agency'sSpace Situational Awareness Programme(SSA).[3]
GRAVES is abistatic radarsystem usingDopplerand directional information to derive the orbits of the detected satellites. Its operating frequency is 143.050 MHz, with the transmitter being located on a decommissioned airfield nearBroye-lès-Pesmesat47°20′53″N5°30′54″E/ 47.3480°N 5.5151°Eand the receiver at a former missile site nearRevest du Bionon thePlateau d'Albionat44°04′17″N5°32′05″E/ 44.0715°N 5.5346°E.Data processing and generation of satelliteorbital elementsis performed at the Balard Air Complex in Paris,48°50′06″N2°16′48″E/ 48.835°N 2.280°E.[4]
See also
[edit]References
[edit]- ^"Les incroyables pépites méconnues de l'Onera".LA TRIBUNE. 12 June 2015.Retrieved2015-06-12.
- ^"GRAVES Sourcebook"(PDF).FAS.Retrieved2015-05-06.
- ^"Europe's Radar Space Surveillance and Tracking Sensors".ESA.Archived fromthe originalon 2015-06-18.Retrieved2015-05-03.
- ^Shaun O'Sullivan, G8VPG (September 2013). "Detecting Meteors with Radio".Radio User.8(9): 46–49.ISSN1748-8117.
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External links
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