History Of GPS timeline | Timetoast timelines
GPS IIR-1 - Wikipedia
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 Fully Integrated, Being Readied for Testing - AmericaSpace
U.S. Air Force declares first GPS III satellite 'Available for Launch' - SpaceFlight Insider
First GPS IIF satellite on station > Air Force > Article Display
Lockheed Martin GPS satellite first of new generation
GPS Next-Generation Operational Control System | Raytheon Intelligence & Space
Oldest GPS satellite being prepared for disposal > Air Force > Article Display
First GPS III satellite successfully launched > Air Force > Article Display
Brief History of GPS | The Aerospace Corporation
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
Satellite Blocks | GEOG 862: GPS and GNSS for Geospatial Professionals
Next-generation of GPS satellites are headed to space | AP News
GPS (Navstar) - Gunter's Space Page
First GPS NAVSTAR Satellite Goes on Display > U.S. Naval Research Laboratory > NRL News
Feb. 14, 1989: GPS Enters Orbit | WIRED
First GPS III satellite encapsulated for launch
Air Force experiment NTS-3 could point the way to the next generation of GPS - SpaceNews
First Generation GPS Satellite | the only GPS satellite on d… | Flickr
The Failed Attempt to Destroy GPS - The Atlantic
The evolution of GPS satellites and their use today - GPS World
Everything You Need to Know About GPS Tracking – Tracki
UK: GPS satellites could warn of incoming tsunamis | PreventionWeb
