Graves (system)
GRAVES (French: Grand Réseau Adapté à la Veille Spatiale) is a French radar-based space surveillance system, akin to the American Air Force Space Surveillance System.[1] Using radar measurements, the French Air Force is able to spot satellites orbiting the Earth and determine their orbit. The GRAVES system took 15 years to develop, and became operational in November, 2005.[2] GRAVES is also a contributing system to the European Space Agency's Space Situational Awareness Programme (SSA).[3]
GRAVES is a bistatic radar system using Doppler and 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 near Broye-lès-Pesmes at 47°20′53″N 5°30′54″E / 47.3480°N 5.5151°E and the receiver at a former missile site near on the at 44°04′17″N 5°32′05″E / 44.0715°N 5.5346°E. Data processing and generation of satellite orbital elements is performed at the Balard Air Complex in Paris, 48°50′06″N 2°16′48″E / 48.835°N 2.280°E.[4]
WikiMiniAtlasSee also[]
References[]
- ^ "Les incroyables pépites méconnues de l'Onera". LA TRIBUNE. Retrieved 2015-06-12.
- ^ "GRAVES Sourcebook" (PDF). FAS. Retrieved 2015-05-06.
- ^ "Europe's Radar Space Surveillance and Tracking Sensors". ESA. Archived from the original on 2015-06-18. Retrieved 2015-05-03.
- ^ Shaun O'Sullivan, G8VPG (September 2013). "Detecting Meteors with Radio". Radio User. 8 (9): 46–49. ISSN 1748-8117.
External links[]
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- Military radars of France
- Bistatic and multistatic radars
- Space Situational Awareness Programme
- European military stubs