History Of GPS timeline | Timetoast timelines
History of GPS satellites and commercial GPS tracking | Geotab
Brief History of GPS | The Aerospace Corporation
GPS Block IIF - Wikipedia
What Causes GPS Signal Loss on Satellites like Swarm? - Eos
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
First Generation GPS Satellite | the only GPS satellite on d… | Flickr
Newest GPS satellite goes into service – Spaceflight Now
Australia's First GPS Infrastructure Officially in Space - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design
Satellite Navigation - Global Positioning System (GPS) | Federal Aviation Administration
Brief History of GPS | The Aerospace Corporation
Next-generation of GPS satellites are headed to space | AP News
First GPS III satellite encapsulated for launch
US Airforce declares that the first GPS III is "available for launch" - Geospatial World
Satellite Blocks | GEOG 862: GPS and GNSS for Geospatial Professionals
Lockheed Martin GPS satellite first of new generation
Lockheed Martin powers up its first GPS III satellite, stays on track for 2014 | Engadget
The Failed Attempt to Destroy GPS - The Atlantic
Air Force experiment NTS-3 could point the way to the next generation of GPS - SpaceNews
First GPS IIF satellite on station > Air Force > Article Display
GPS (Navstar) - Gunter's Space Page
GPS Block III - Wikipedia
Retired GIOVE-A satellite helps SSTL demonstrate first High Altitude GPS navigation fix | Small Satellite supplier | Surrey Satellite Technology Ltd | SSTL
Feb. 14, 1989: GPS Enters Orbit | WIRED
UK: GPS satellites could warn of incoming tsunamis | PreventionWeb
Oldest GPS satellite being prepared for disposal > Air Force > Article Display
First GPS III Satellite Fully Integrated, Being Readied for Testing - AmericaSpace
OPS 5111 - Wikipedia
