2006 at 19:05 |Author=[http://www.flickr.com/people/866510 File:GPS_Satellite_NASA_art-iif.jpg licensed with PD-USGov-NASA 2006-02-09T20:20:11Z Michaelfavor...
DescriptionGps-satellite-scheme.svg English: scheme of a GPS satellite Français : schéma d'un satellite GPS Date 22 March 2015 Source File:Satellite_Communication_Scetch...
Own work Sources of the images used in this collage– File:Satellite Communication Scetch.svg File:P2000 Pager.JPG File:Wireless network.jpg File:American...
