Alpine, New Jersey–My Recent Visit…

  W2XMN–Armstrong’s original transmitter building built in 1937, 2010 November 6   W2XMN–Interior of building, 2010 November 6     I had the great pleasure of venturing out to Alpine, New Jersey this past Saturday. I was honored to receive an invitation from Dave Amundsen, the Director of Engineering for CSC Management (the organization who […]

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Radar…

Alpine, NJ–Modulator, Transmitter Mixer, Keyer A and Keyer B (left), Receiver (right), undated When the second World War started in 1939, the United State Signal Corps approached Armstrong for assistance as they wished to use frequency modulation for mobile-military communications. Mobile FM was invaluable during the war and Armstrong allowed the US military use of his […]

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The Superheterodyne

When the United States entered World War I, Armstrong enlisted in the Signal Corps. In 1917 he was posted to France, placed in charge of the Radio Group of the Research Section of the Division of Research and Inspection. This Division had been created in order to examine any existing equipment manufactured by the Europeans […]

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