Multimedia Gallery
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- Navigation Methods: Satellite Navigation
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Artifact
This is one of the first commercial GPS receivers.
Photograph
The TIMATION 1 satellite, NRL’s first experiment in using time signals for navigation.
Illustration
An artist’s rendering of Timation 3 navigation satellite orbiting in space.
Artifact
This device received navigation signals transmitted by Transit satellites passing overhead.
Photograph
Transit land navigation system installed in a vehicle.
Artifact
A backup Transit 5-A satellite from the 1970s.
Illustration
The Doppler shift of signals from a moving satellite is used to determine the satellite's orbit compared to the location of the tracking station.
Artifact
The Trimble 4800 GPS Receiver was used by professional surveyors.
Artifact
The hand-held GPS receiver was used for tasks such as land surveying and providing accurate time.
Artifact
Joseph Guenther used a Defense Advanced GPS Receiver (DAGR) to direct artillery fire.
