The automated in-car navigator that predated satellites | Engadget
The evolution of GPS satellites and their use today - GPS World
First GPS III satellite successfully launched > Air Force > Article Display
The First GPS: High-Tech Navigation in 1909 | The Saturday Evening Post
A brief History of GPS In-Car Navigation - YouTube
Car Navigation Systems Before GPS Were Wonders of Analog Technology
Global Positioning System - Wikipedia
A brief History of GPS In-Car Navigation - NDrive
Satellite navigation device - Wikipedia
A brief History of GPS In-Car Navigation - NDrive
Before GPS and Geocaching Existed: Three Navigation Systems – Official Blog
File:Magellan Trailblazer XL GPS Handheld Receiver.jpg - Wikimedia Commons
Feb. 14, 1989: GPS Enters Orbit | WIRED
GPS Goes to War - The Global Positioning System in Operation Desert Storm. | Article | The United States Army
10 Things to Know About History of GPS - Fueloyal
What year was the first commercial 'satnav' GPS released? | Traffic Technology Today
TI-4100 NAVSTAR Navigator GPS Receiver | Time and Navigation
U.S. Air Force's First Advanced GPS III Satellite Shipped To Cape Canaveral For Launch - Aug 27, 2018
The Consumer Electronics Hall of Fame: Garmin StreetPilot GPS Navigation System - IEEE Spectrum
Brief History of GPS | The Aerospace Corporation
First Map-Based Car Navigation System Debuted 14 Years Before GPS - IEEE Spectrum
First GPS NAVSTAR Satellite Goes on Display > U.S. Naval Research Laboratory > NRL News
History of GPS
Part 2: The Origins of GPS, Fighting to Survive - GPS World
