The Horn reflector antenna at Bell Telephone ?
The Horn reflector antenna at Bell Telephone Laboratories in Holmdel, New Jersey, was built for ECHO I communication satellites for the NASA ECHO I. The antenna was 50 feet in length and was used to detect radio waves that bounced off ECHO I balloon satel
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10670515
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45222663
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Mary Evans / Everett Collection
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Antenna Bounced Detect Echo Laboratories Nasa Orbit Reflector Satellite Satellites
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