3D GNSS Constellation Screensaver Version 1.4 Release Notes General Description The GNSS Constellation Screensaver is a screensaver which either displays the actual US NAVSTAR GPS Constellation or the Global Navigation Satellite Systems (GNSS) US NAVSTAR GPS, geostationary Satellite Based Augmentation Systems (SBAS) US-WAAS, EGNOS and MSAS and the future Galileo Satellite Constellation according to their nominal i.e. theoretically specified orbit parameters. GNSS Constellation Screensaver Features Display the actual US NAVSTAR GPS Constellation rotating around the earth. The satellite beams are illuminated. Pre-requisite to display the actual GPS constellation is an existing Internet connection to download the actual constellation status from our website www.navpos.de. If no internet connection is available, the latest update or the factory settings are used. Alternatively the GNSS Constellation Screensaver displays the current or nominal GNSS constellations of the satellite navigation systems GPS, GLONASS, Galileo, SBAS (EGNOS, WAAS and MSAS) -- and in addition the International Space Station. Technical Requirements The GNSS Constellation Screensaver is developed for Windows 2000/XP PC systems. Obtaining Technical Support Technical support for frequently asked questions on the GNSS Constellation Screensaver can be found at www.navpos.de