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Inventors Andrew Alford
In 1965, the first Master FM Antenna system in the world designed to allow individual FM stations to broadcast simultaneously from one source was erected on the Empire State Building in NYC. The original system was co-invented by Dr. Frank Kear of Kear & Kennedy and Andrew Alford of Alford Manufacturing Co. Alford also fabricated the antenna that was later installed by Gunnar A. Olsen of the Belmont Electric Corp. in New York City.

Andrew Alford
Andrew Alford invented the localizer antenna system for radio navigation systems - National Inventors Hall of Fame.

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