First Generation GPS Satellite | the only GPS satellite on d… | Flickr
Air Force experiment NTS-3 could point the way to the next generation of GPS - SpaceNews
US Airforce declares that the first GPS III is "available for launch" - Geospatial World
Satellite Navigation - Global Positioning System (GPS) | Federal Aviation Administration
Brief History of GPS | The Aerospace Corporation
GPS (Navstar) - Gunter's Space Page
Brief History of GPS | The Aerospace Corporation
Newest GPS satellite goes into service – Spaceflight Now
NASA History Office on Twitter: "#OTD 1978 the first generation Global Positioning System (GPS) satellite, Navstar 1, launched from Vandenberg Air Force Base, California. https://t.co/jmigNngbpz" / Twitter
Brief History of GPS | The Aerospace Corporation
History of GPS satellites and commercial GPS tracking | Geotab
UK: GPS satellites could warn of incoming tsunamis | PreventionWeb
Australia's First GPS Infrastructure Officially in Space - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design
Satellite Blocks | GEOG 862: GPS and GNSS for Geospatial Professionals
GPS Next-Generation Operational Control System | Raytheon Intelligence & Space
Lockheed Martin powers up its first GPS III satellite, stays on track for 2014 | Engadget
Retired GIOVE-A satellite helps SSTL demonstrate first High Altitude GPS navigation fix | Small Satellite supplier | Surrey Satellite Technology Ltd | SSTL
First GPS III satellite encapsulated for launch
History Of GPS timeline | Timetoast timelines
GPS Block III - Wikipedia
First GPS III satellite successfully launched > Air Force > Article Display
GPS IIR-1 - Wikipedia
First GPS NAVSTAR Satellite Goes on Display > U.S. Naval Research Laboratory > NRL News
U.S. Air Force declares first GPS III satellite 'Available for Launch' - SpaceFlight Insider
