As of the first of May 2024 - the LVST is back on line.
The Graves complex near Dijon is a French radar-based space surveillance system.
GRAVES operates a bistatic radar system using Doppler and directional information to derive the orbits of detected satellites. Its operating frequency is 143.050 MHz, with the transmitter being located on a decommissioned airfield near Broye-lès-Pesmes at 47.3480°N 5.5151°E and the receiver at a former missile site near Revest du Bion on the Plateau d'Albion at 44.0715°N 5.5346°E. Data processing and generation of satellite orbital elements is performed at the Balard Air Complex in Paris, 48.835°N 2.280°E.: credit Wikipedia.
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