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1010500103030010106001010507ModulationDifferent modulation schemes have been adopted for the radio services, such as broadband amplitude modulation (AM) and frequency modulation (FM) for broadcast, narrowband FM for line-of-site two-way voice communications, single sideband (SSB) for long-distance voice communications via the ionosphere, and digital modulation for high-speed point-to-point or multipoint microwave radio communications links.
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Cotter W. Sayre: Complete Wireless Design. Modulation, Chapter (McGraw-Hill Professional, 2008 2001), AccessEngineering Export