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2. Discovery of cosmic microwave background radiation - Wikipedia

   en.wikipedia.org/wiki/Discovery_of_cosmic...

   Bell Labs' Horn Antenna on Crawford Hill in Holmdel NJ – In 1964 while using the Horn Antenna, Penzias and Wilson stumbled on the microwave background radiation that permeates the universe. By the middle of the 20th century, cosmologists had developed two different theories to explain the creation of the universe.

3. Holmdel Horn Antenna - Wikipedia

   en.wikipedia.org/wiki/Holmdel_Horn_Antenna

   Bell Labs' horn antenna, April 2007. The horn antenna at Bell Telephone Laboratories in Holmdel, New Jersey, was constructed on Crawford Hill in 1959 to support Project Echo, the National Aeronautics and Space Administration's passive communications satellites, [8] [5] which used large aluminized plastic balloons (satellite balloon) as reflectors to bounce radio signals from one point on the ...

4. Crawford Hill - Wikipedia

   en.wikipedia.org/wiki/Crawford_Hill

   The sale triggered an extended concern over whether the Crawford Hill site, and the Holmdel Horn Antenna within it, might be at risk due to developers coming in. [23] Indeed, the buyer of the land put forth plans to build a senior housing center. [26] The Holmdel Planning Board voted to study the issue during 2023. [4]

5. List of radio telescopes - Wikipedia

   en.wikipedia.org/wiki/List_of_radio_telescopes

   Four of the sixty-four total antennas of the ALMA radio telescope, at the Atacama Large Millimeter Array (ALMA) West arm of the low-frequency Ukrainian T-shaped Radio telescope, second modification (UTR-2) radio telescope phased array antenna. This is a list of radio telescopes – over one hundred – that are or have been used for radio ...

6. File : Horn Antenna-in Holmdel, New Jersey - restoration1.jpg

   en.wikipedia.org/wiki/File:Horn_Antenna-in...

   This type of antenna is called a Hogg or horn-reflector antenna, invented by Albert Beck and Harald Friis in 1941 and further developed by D. C. Hogg at Bell Labs in 1961. It consists of a flaring metal horn with a reflector mounted in the mouth at a 45° angle, so the antenna receives radio waves at a 90° angle to the horn axis.

7. AOL Mail

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