In broadcasting, sister stations are broadcast stations owned by the same company. Usually the stations have different formats, and often one station is on the AM band while another is on the FM band. individually-donated time and energy direct government payments or operation indirect government payments, such as radio and television licenses grants from foundations or business entities selling advertising or sponsorship public subscription or membership fees charged to all owners of TV sets or radios, regardless of whether they intend to receive... A broadcast station may be: a radio station a television station It does not include television networks or radio networks. ... A radio format or programming format describes the overall content broadcast on a radio station. ... Amplitude modulation (AM) is a form of modulation in which the amplitude of a carrier wave is varied in direct proportion to that of a modulating signal. ... Frequency modulation (FM) is a form of modulation which represents information as variations in the instantaneous frequency of a carrier wave. ...
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