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Of these stations, 448 of the stations which are outside the Top 100 DMA markets, plus another 91 stations which may or may not be in the top 100 DMAs are for sale. The TV stations formerly owned by Clear Channel were sold to Providence Equity Partners, a private equity firm, on April 23, 2007, with the deal closing in late November 2007. 185 ...
The first radio receivers used a coherer and sounding board, and were only able to receive continuous wave (CW) transmissions, encoded with Morse code (wireless telegraphy). Later transmission and reception of speech became possible, although Morse code transmission continued in use until the 1990s.
A problem with the early radios was fading stations and fluctuating volume. The invention of the superheterodyne receiver solved this problem, and the first radios with a heterodyne radio receiver went for sale in 1924. But it was costly, and the technology was shelved while waiting for the technology to mature, and in 1929 the Radiola 66 and ...
Sinclair, one of the largest owners of broadcast stations in the U.S., is looking to sell more than 30% of its footprint, according to people familiar with the matter.. The company has hired ...
The seven NBC-owned radio stations, which initially agreed to remain with NBC Radio as affiliates, [179] were all put up for sale [182] and divested to various buyers between 1988 and 1989, including Emmis Communications, [183] Westinghouse [184] and Susquehanna Radio Corporation. [185]
Radio stations attractiveness to advertisers began to change from a "mass medium" to one shaped by demographics, although to a lesser degree than television; radio formats began to be targeted toward specific groups of people according to age, gender, urban (or rural) setting and race, and freeform stations with broad playlists became uncommon ...
CBS used shortwave to support its Latin American international network, which consisted of 64 stations located in 18 countries and GE's KGEI opened in San Francisco in 1939, transmitting to Asia. [16] [17] [18] On November 1, 1942, all 14 private U.S. shortwave stations ended commercial operations and were leased to the Voice of America. [19]
The development of HD Radio digital sub-channels for FM stations led to a second expanded use for translators. Due to a lack of commercial receivers capable of receiving HD transmissions, a translator is now permitted to retransmit the programming of an FM station's secondary ("HD2") or tertiary ("HD3") signals.