radio spectrum management

May 18, 2023 ... The Early Years. The term “FM” is an abbreviation for “frequency modulation,” which describes a specific method of encoding audio signals onto ... During these years, transmitters were quite large with many tubes and heavy batteries. Bramco, Inc. introduced its Control Box Transmitter that was advertised ... NIHF Inductee Guglielmo Marconi invented the radio by building equipment to transmit electrical signals through the air from one end of his house to the ... Nov 1, 2012 ... Furthermore, contrary to what you might have read, the U.S. Supreme Court never said that he was -- not in 1943, not in any other year. If fact, ... ... years old. Although not that commonly used in the modern times, the term has ... The invention, growth and expansion of radio technology caused a ... Nov 7, 2008 ... On June 21, 1909, more than 10 years prior to the launching of America's first commercially licensed radio station, a young inventor named ... In July 1986 Marconi made the first demonstration of his invention, the radio transmitter and receiver, for the British government. In December 1901, Marconi ... The station's creator and owner, an entrepreneur, inventor, and manufacturer named Powel Crosley Jr. ... He agreed to buy his nine-year-old a radio, but when he ... Our company has achieved many milestones in its 85-plus year history. We ... In 1958 Motorola introduced the Motrac radio, the world's first vehicular ... May 26, 2020 ... Lamarr's path to inventing the cornerstone of Wi-Fi began when she heard about the Navy's difficulties with radio-controlled torpedoes.