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ATV Jules Verne demonstrates key capabilities

29 March 2008 - ESA's Jules Verne ATV (the first european cargo spaceship) today demonstrated its ability to navigate safely from a point 39 km behind the ISS to a stand-off point just 3.5 km away using relative GPS navigation. The vessel then executed an Escape manoeuvre commanded from the ATV Control Centre in which the craft flew off to a safe distance.

Today’s demonstration also confirmed Jules Verne is able to establish a continuous two-way data link with the ISS. Using the high-rate S-band communication link, which was switched on at a distance of 40 km from the ISS, Jules Verne for the first time conducted relative GPS (Global Positioning Satellite) measurements with the Station. Relative GPS is a navigation technique executed by computers between the ATV's GPS receiver and the ISS GPS receiver that enables ATV to navigate relative to the Station with very high accuracy.

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