Home News Feeds ESA - Navigation

NASA Image Of The Day

Earth Science Radar Imaging Mission Travels to Central and South America
NASA Image Of The Day
This photo of volcanoes in Guatemala was taken from NASA's C-20A aircraft during a four-week Earth science radar imaging mission deployment over Central and South America. The conical volcano in the center is "Volcan de Agua." The two volcanoes behind it are, right to left, "Volcan de Fuego" and "Acatenango." "Volcan de Pacaya" is in the foreground. The radar imaging mission got underway in early April when the C-20A departed its base in Palmdale, Calif., to collect data over targets in the Gulf Coast area of the southeastern United States. The aircraft, a modified Gulfstream III, is carrying NASA's Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) instrument in a specialized pod. Developed by NASA's Jet Propulsion Laboratory in Pasadena, Calif., UAVSAR measures ground deformation over large areas to a precision of 0.04 to 0.2 inches (0.1 to 0.5 centimeters). The mission schedule calls for the aircraft to make stops in 10 international and U.S. locations, including the Gulf Coast. Research during the deployment is covering a variety of topics, including volcanoes, glaciers, forest structure, levees, and subsidence. It is also providing vegetation data sets for satellite algorithm development. The volcanoes of Central and South America are of interest because of the hazard they pose to nearby population centers. A majority of the research will focus on gathering volcano deformation measurements, with many flight lines being repeats from previous deployments. Surface deformation often precedes other signs of renewed volcanic activity. > Read more > Earth Right Now Image Credit: NASA/Stu Broce...
23 Apr 2014
800x6001024x768Large

Who's Online

We have 69 guests online

Translation

English French German Italian Portuguese Russian Spanish
Newsfeeds
ESA Navigation
ESA Navigation

  • Electric thrusters may steer Galileo in future

    Future Galileo navigation satellites might adopt electric propulsion to reach their final orbits, with the weight savings offering larger payloads and a broader range of services in the 2020s.



  • New Galileo station opens in Azores

    The latest addition to Galileo’s worldwide ground infrastructure has been made in the mid-Atlantic, on Portugal’s Santa Maria island in the Azores.



  • Wings of power

    Europe’s Galileo satellites in orbit are kept alive by the Sun – through their solar arrays

  • Dutch company powering Galileo

    As they bathe the ground below them in test navigation messages, Europe’s Galileo satellites are kept alive by the Sun. 



  • ESA to certify first Galileo position fixes worldwide

    To mark the first anniversary of Galileo’s historic first satnav positioning measurement, ESA plans to award certificates to groups who picked up signals from the four satellites in orbit to perform their own fixes.



  • Galileo to augment systems guiding aircraft in 2020

    Plans to harness Galileo and other satnav systems for next-generation satellite augmentation systems for aviation and other high-performance uses took a significant step forward at the latest gathering of worldwide operators and experts.



  • Galileo for mass market

    ESA is working directly with European manufacturers of mass-market satnav chips and receivers to ensure that their products are Galileo-ready

  • ESA helping prepare satnav mass market for Galileo services

    With the first Galileo services set to begin this year, ESA is working directly with European manufacturers of mass-market satnav chips and receivers to ensure that their products are Galileo-ready.



  • Galileo validated

    The in-orbit validation of Galileo has been achieved: Europe now has the operational nucleus of its own satellite navigation constellation in place

  • Galileo works, and works well

    The in-orbit validation of Galileo has been achieved: Europe now has the operational nucleus of its own satellite navigation constellation in place – the world’s first civil-owned and operated satnav system.



  • First airborne fix

    For the first time, Europe has been able to determine an aircraft's position using only Galileo

  • Galileo achieves its first airborne tracking

    ESA’s Galileo satellites have achieved their very first aerial fix of longitude, latitude and altitude, enabling the inflight tracking of a test aircraft.



  • Galileo out of vacuum

    A hatch slides open and ESA's latest Galileo satellite emerges from five weeks of simulated space conditions

  • ESA’s new breed of Galileo endures weeks of simulated space

    ESA’s newest Galileo satellite has emerged from five weeks of simulated space conditions: Friday saw a hatch slid open to end its thermal-vacuum test, a milestone on the way to orbit.



  • Experts seek to harness Galileo for science

    As Galileo takes shape, as well as offering precision navigation and timing services around the world it is also shaping up to become a promising tool for science. 



  • Galileo put to the test

    Europe’s next Galileo satellites have been the focus of a busy autumn at ESA’s technical centre in the Netherlands, continuing a full-scale test campaign

  • A testing time for Galileo satellites headed to space

    Europe’s next pair of Galileo satellites have been the focus of a busy autumn at ESA’s technical centre in the Netherlands, continuing a full-scale campaign to ensure their readiness for space.



  • Athlete tracker takes home grand prize

    A small but revolutionary motion sensor worn by athletes has scored a big win in this year’s European Satellite Navigation Competition. Proposed by the ESA Business Incubation Centre start-up company Kinexon, it provides accurate, realtime information on an athlete’s condition.



  • Search and rescue sites

    Dedicated ground stations at opposite ends of Europe enable Galileo participation in global Cospas–Sarsat search and rescue testing

  • European ground stations enable Galileo search and rescue testing

    ESA’s completion of a pair of dedicated ground stations at opposite ends of Europe has enabled Galileo satellites in orbit to participate in global testing of the Cospas–Sarsat search and rescue system.



  • Navipedia

    Visit Navipedia, the web’s leading resource on satellite navigation: http://www.navipedia.net

  • Galileo given its voice

    Meet the Norwegian company whose equipment is giving Galileo FOC its voice, plus its search and rescue capability

  • Galileo's first fix

    With first position measurement, Galileo fixes its place in history

Copyright © 2014 SPACE-MULTIMEDIA. All Rights Reserved.
Joomla! is Free Software released under the GNU/GPL License.