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Archive for horn antenna

The Horn on Crawford Hill

By Linda Tancs

Recognized as a National Historic Landmark for its role in confirming the Big Bang theory of the creation of the universe, the Horn Antenna in Holmdel, New Jersey, is located on the former Nokia site on Crawford Hill (the highest elevation in Monmouth County). The story begins with the research work of two radio astronomers, Arno Penzias and Robert Wilson. While using this antenna in 1965, they discovered the cosmic microwave background radiation that permeates the universe, contributing evidence for the Big Bang theory. The antenna’s horn shape allowed for precise pointing that aided greatly in conducting radio astronomy observations. Although no longer in use, the site is open to the public.