the concept and implementation of low-power FM radio services

Sep 25, 2023 ... Serbian American scientist Nikola Tesla and Italian physicist Guglielmo Marconi went head-to-head in the race to invent the radio. Jun 28, 2023 ... The background ripples detected by NANOGrav could help scientists better understand how gravitational waves are created and what happens to them ... The walkie-talkie was first invented in 1937 by the Canadian Don Hings, with ... Hings created his portable radio signalling system when working for CM&S. The police officer will receive this either on a PC based police radio or a mobile data computer located in their car. ... The next year the Federal ... Aug 3, 2023 ... He used a spark gap attached to an induction coil and a separate spark gap on a receiving antenna. When waves created by the sparks of the coil ... The four chief players in American radio's early years, Marconi, Canadian-born Aubrey Fessenden, Lee deForest, and John Stone Stone [sic] were all inventor/ ... American icons, learn more about the Radio City Rockettes and the nearly 100 years of history behind this dance company ... Two brand-new numbers are introduced ... Aug 7, 2023 ... KDAY became the country's first radio station to play hip-hop on a full-time basis. In addition to programming the more established East Coast ... Edwin Armstrong invented Frequency Modulation radio (FM radio) in 1933, but his employer, RCA, ignored and even boycotted the invention. FM radio vastly ... The invention of the vacuum tube solved a lot of problems for car radios, making them more user-friendly as well as improving the quality of the audio. When ...