Europe Sets Sights On Asteroid Tracking Radars

Had some fun looking up and finding some more information about the project and why it is being done.
Seems that ONERA, the French aerospace research institute, builds military radar among other things, and their bistatic experiment worked so well it is practically a finished product, so they are expanding it already. The OP project is probably based on this. So these things are dual-use though the OP's ESA project says it is to protect satellites and European citizens.
Overview of ONERA radar products: http://www.onera.fr/demr-en/references.php [onera.fr]

Details about the French GRAVES experimental bistatic radar facility and how it works with Germany's TIRA.
So successful they are being upgraded now. France, Australia and Canada cooperate with the USAF.
GRAVES was built in 2004 and is owned by the French arms procurement agency.
GRAVES is for objects in Low Earth Orbit, up to 1000km altitude. The upgrade will allow it to broaden the swath of sky and to eliminate errors in trajectory position to more precisely determine on its own whether or not two objects are destined to collide.
TIRA belongs to the German military. Though the new system is for all Germany not just the military they say.
"... Space situational awareness [is seen] as an important element in Germany?s national sovereignty."
From 2012, TIRA personnel will be trained by French and Americans.
http://www.spacenews.com/military/110531-france-germany-anchor-europe-ssa.html [spacenews.com]

GRAVES, The French Space Surveillance System
http://www.onera.fr/dcps-en/graves-space-surveillance-system/index.php [onera.fr]

Aerial views of GRAVES, apparently. Explains that it can make angular measurements and get radial velocity.
http://www.thelivingmoon.com/45jack_files/03files/GRAVES_French_Radar_Surveillance_Facility.html [thelivingmoon.com]

A bit more info on the OP article (French so use Google translate)
http://www.smartplanet.fr/smart-technology/un-futur-radar-europeen-contre-les-debris-de-lespace-17211/ [smartplanet.fr]
It adds:
- work begins Sept. 2012
- The goal is to help European satellite operators to exclude collision risk and improve safety in Earth orbit, an area in which France has recognized expertise, says ESA.
- "The two demonstrators radar will be part of an initial network of sensors that will also include optical telescopes and data processing centers to ensure observation of space debris on all types of orbits. '
- In the case of new experimental radar, the transmitter will be on the influence of the former airbase Crucey-Villages (Eure-et-Loir), about 100 km west of Paris, and the receiver will near Palaiseau (Essonne), south of Paris.
- The SSA... first phase, the preparatory program, [was] authorized... in November 2008. As part of this program, the ESA is to acquire the ability to monitor any danger to the area, since the risk of collisions between satellites and space debris to the impact of a celestial body through natural by space weather related to solar activity.
- The SSA program exposes the ESA will provide the final of Europe's ability to detect, predict and evaluate the potential risks to life and property represented by space debris, atmospheric reentry, explosions in orbit launches , collisions, disruption of missions and services using satellites, the potential impacts of NEOs, and the effects of intense space weather events on infrastructure both space and on the ground.
- In summer 2011, a U.S. report had alerted the critical level of waste in orbit . This amount has become so important that it may trigger a snowball e

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/WIKurY_O-7g/europe-sets-sights-on-asteroid-tracking-radars

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