http://www.esa.int ESA Navigation newsspaceen-us600Copyright 2012 European Space Agencyrss@esa.intThu, 02 Feb 2012 13:01:20 GMTThu, 02 Feb 2012 13:01:20 GMThttp://blogs.law.harvard.edu/tech/rss ESA today signed a contract to build a further eight Galileo satellites, alongside other agreements to modify Europe’s Ariane 5 launcher to carry four navigation satellites at a time. ]]> http://www.esa.int/esaNA/SEM825TXXXG_index_0.html SEM825TXXXGThu, 02 Feb 2012 10:07:00 GMT The first Galileo satellites are already in orbit, with more on the way. Today ESA’s Director General and the UK’s Universities and Science Minister attended the grand opening of the facility where navigation payloads for the next batch of Galileo satellites are being built. ]]> http://www.esa.int/esaNA/SEMDTXH8RXG_index_0.html SEMDTXH8RXGWed, 25 Jan 2012 06:04:00 GMT Programme managers and technical experts overseeing four of the world’s regional satellite navigation augmentation systems met this week, with ESA coordinating the participation of stakeholders in Europe’s own EGNOS system. ]]> http://www.esa.int/esaNA/SEMNX8NXDXG_index_0.html SEMNX8NXDXGThu, 19 Jan 2012 13:48:00 GMT GIOVE-A, ESA’s prototype navigation satellite, remains operational after six years in space. ]]> http://www.esa.int/esaNA/SEMFZSDXJWG_index_0.html SEMFZSDXJWGWed, 28 Dec 2011 16:07:00 GMT Europe’s first Galileo satellite appears in blooming health, transmitting test signals received by ESA’s ground station in Redu, Belgium across the whole of its assigned radio spectrum. ]]> http://www.esa.int/SPECIALS/Galileo_IOV/SEM60KBX9WG_0.html SEM60KBX9WGThu, 22 Dec 2011 10:57:00 GMT More European aircraft will benefit from air traffic control guidance coming from above as use of the EGNOS Safety-of-Life signal for aviation is set to extend from France and Switzerland to the UK and Germany. ]]> http://www.esa.int/esaNA/SEMYFEBX9WG_index_0.html SEMYFEBX9WGWed, 21 Dec 2011 13:31:00 GMT The first laser ranging of Europe's new Galileo navigation satellites has been achieved from Concepción in Chile. Laser contact with the satellites at an altitude of 23 230 km has provided distance measurements with subcentimetre accuracy. ]]> http://www.esa.int/SPECIALS/Galileo_IOV/SEM6HT7XZVG_0.html SEM6HT7XZVGThu, 15 Dec 2011 05:00:00 GMT Europe’s Galileo system has passed its latest milestone, transmitting its very first test navigation signal back to Earth. ]]> http://www.esa.int/SPECIALS/Galileo_IOV/SEMIC88XZVG_0.html SEMIC88XZVGWed, 14 Dec 2011 09:22:00 GMT Launched in October, Europe’s first two Galileo navigation satellites orbit Earth about every 14 hours. As they transmit over Europe, ESA’s Redu centre in Belgium is ready to receive and analyse their signals. ]]> http://www.esa.int/SPECIALS/Galileo_IOV/SEM8J6ZW5VG_0.html SEM8J6ZW5VGTue, 22 Nov 2011 11:39:00 GMT Europe’s first two Galileo satellites have reached their final operating orbits, opening the way for activating and testing their navigation payloads. ]]> http://www.esa.int/SPECIALS/Galileo_IOV/SEMT5FLUBUG_0.html SEMT5FLUBUGFri, 04 Nov 2011 10:50:00 GMT A heads-up car navigation display and a new approach to rainforest conservation were announced as the winners of the eighth Galileo Masters European Satellite Navigation Competition and the new GMES Masters European Earth Monitoring Competition, both supported by ESA. ]]> http://www.esa.int/SPECIALS/Galileo_IOV/SEMVWWGURTG_0.html SEMVWWGURTGWed, 26 Oct 2011 07:41:00 GMT It took Gagarin and Sputnik into space, and has flown safely over 1700 times: Soyuz is over 60 years old, but it has began a new tropical chapter this autumn with its first flight from the European Spaceport in French Guiana. ]]> http://www.esa.int/SPECIALS/Galileo_IOV/SEMURHGURTG_0.html SEMURHGURTGMon, 24 Oct 2011 11:35:00 GMT