![A view of the NAVSTAR Global Positioning System satellite on an outdoor test stand - NARA & DVIDS Public Domain Archive Public Domain Search A view of the NAVSTAR Global Positioning System satellite on an outdoor test stand - NARA & DVIDS Public Domain Archive Public Domain Search](https://cdn10.picryl.com/photo/1981/11/23/a-view-of-the-navstar-global-positioning-system-satellite-on-an-outdoor-test-393ec8-1600.jpg)
A view of the NAVSTAR Global Positioning System satellite on an outdoor test stand - NARA & DVIDS Public Domain Archive Public Domain Search
![A view of the NAVSTAR global positioning satellite system, which broadcasts signals to land, sea and aerospace forces - NARA & DVIDS Public Domain Archive Public Domain Search A view of the NAVSTAR global positioning satellite system, which broadcasts signals to land, sea and aerospace forces - NARA & DVIDS Public Domain Archive Public Domain Search](https://cdn10.picryl.com/photo/1981/01/01/a-view-of-the-navstar-global-positioning-satellite-system-which-broadcasts-3f3fd2-1600.jpg)
A view of the NAVSTAR global positioning satellite system, which broadcasts signals to land, sea and aerospace forces - NARA & DVIDS Public Domain Archive Public Domain Search
![Navstar Global Positioning System Surveying (TECHNICAL ENGINEERING AND DESIGN GUIDES AS ADAPTED FROM THE US ARMY CORPS OF ENGINEERS): Not Available: 9780784403532: Amazon.com: Books Navstar Global Positioning System Surveying (TECHNICAL ENGINEERING AND DESIGN GUIDES AS ADAPTED FROM THE US ARMY CORPS OF ENGINEERS): Not Available: 9780784403532: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/51sLow2uEIL.jpg)
Navstar Global Positioning System Surveying (TECHNICAL ENGINEERING AND DESIGN GUIDES AS ADAPTED FROM THE US ARMY CORPS OF ENGINEERS): Not Available: 9780784403532: Amazon.com: Books
![Artist's concept of a NAVSTAR Global Positioning System satellite, a space-based radio navigation network - PICRYL Public Domain Search Artist's concept of a NAVSTAR Global Positioning System satellite, a space-based radio navigation network - PICRYL Public Domain Search](https://cdn10.picryl.com/photo/1983/03/01/artists-concept-of-a-navstar-global-positioning-system-satellite-a-space-based-ac535d-1024.jpg)