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A professor and aeronautical engineer at MIT, Charles Stark Draper played a major role in advancing the art of inertial navigation.
This represents the first commercially available chip-size atomic clock.
The DAGR was an improvement on the PLGR, providing map data in a lighter hand-held device.
Firefighter John F. Sullivan explains, “When firefighters enter a burning structure, especially large complex commercial buildings, they can quickly lose visibility and their ability to maintain orientation. And traditional GPS doesn’t work inside buildings.”
Transit was the first satellite-based global positioning and navigation system.
Roy Bardole used this touch-screen computer and an antenna (not shown) to receive enhanced GPS signals for working corn and soybean acreage in Iowa.
This equipment made up a prototype emergency location service based on GPS positioning.
SECOR, a satellite used as part of a U.S. Army experimental navigation system.
Engineers on the night of the launch at the Jet Propulsion Laboratory in Pasadena, California, where Pioneer 4 was built.
Engineers at Goldstone prepare for the launch of Pioneer 4.