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U.S. Army soldier using a radar gun, an application of Doppler radar, to catch speeding violators.
U.S. Army soldier using a radar gun, an application of Doppler radar, to catch speeding violators.
AN/APN-81 Doppler radar navigation system, mid-1950s
AN/APN-81 Doppler radar navigation system, mid-1950s
The US Weather Bureau's first experimental Doppler weather radar unit was obtained from the US Navy in the 1950s
The US Weather Bureau's first experimental Doppler weather radar unit was obtained from the US Navy in the 1950s
Doppler navigation system in the National Electronics Museum
Doppler navigation system in the National Electronics Museum
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Airborne pulse-Doppler radar antenna
Airborne pulse-Doppler radar antenna