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KYW (1060 kHz) is a commercial AM radio station licensed to serve Philadelphia, Pennsylvania. It is one of the oldest continuously operating radio stations in the United States, originating in Chicago before moving to Philadelphia in 1934. KYW's unusual history includes its call sign of only three letters, beginning with a K, rare for a station in the Eastern United States. It broadcasts an all-news radio format and is branded as "KYW Newsradio". KYW serves as the flagship station of Audacy, Inc. KYW's studios are co-located within Audacy's corporate headquarters in Center City Philadelphia and its transmitter and two-tower directional antenna array are located in Lafayette Hill. KYW is a 50,000–watt Class A clear channel station. With a good radio receiver, its nighttime signal can be heard in much of the Eastern United States and Eastern Canada, however, it restricts its signal towards the Southwest United States to protect XECPAE-AM in Mexico City, which shares Class A status on AM 1060. The station's signal is restricted towards the Northeast United States to protect the signal of WEPN in New York City, which is one frequency away at 1050 AM. KYW Newsradio's programming is also available via a simulcast on sister station 103.9 WPHI-FM and the HD2 subchannel of sister station 94.1 WIP-FM. History Origin in Chicago (1921) In November 1920, the Westinghouse Electric & Manufacturing Company established its first broadcasting station, KDKA, located at its plant in East Pittsburgh, Pennsylvania, to promote the sales of its radio receivers. This initial station proved successful, so in 1921 the company developed plans to set up additional stations in major population centers, including WJZ in Newark, New Jersey (now WABC in New York City), and WBZ, originally in Springfield, Massachusetts, and now in Boston. It also wanted to start a station in Chicago. The Westinghouse station was first licensed on November 15, 1921, as Chicago's first broadcasting outlet, with the randomly assigned call letters of KYW. At first, it was jointly operated by Westinghouse and Commonwealth Edison, with Westinghouse later taking over as sole operator. Through the financial support of Samuel Insull, and the cooperation of Mary Garden, director general of the Chicago Opera Company, KYW's initial broadcasts consisted of the opera company's entire six-day-a-week winter season schedule. Ten microphones were installed across the Chicago Civic Auditorium stage, with equipment for switching between them as needed. After the close of the opera season, KYW installed a studio in the Commonwealth Edison building, and began producing additional programming. By fall of 1922 the station was operating for twelve hours a day. In 1927, Westinghouse affiliated its four radio stations (KYW, KDKA in Pittsburgh, WBZ in Springfield and WBZA in Boston) with the National Broadcasting Company's (NBC) Blue Network, originating from WJZ in New York City, which had been transferred from Westinghouse to the Radio Corporation of America (RCA) in 1923. Westinghouse had been a founding partner of RCA, NBC's original parent company. In 1923, Westinghouse established a station, KFKX in Hastings, Nebraska, located near the center of the country. The station was designed to serve a dual purpose, of providing an agricultural service, and for testing the practicality of using shortwave transmitters to link together radio networks, with KFKX receiving much of its programming by shortwave from KDKA in Pittsburgh. In 1927 the project was abandoned, although it was announced that the KFKX programming was being consolidated with KYW. Westinghouse now controlled two stations in addition to KYW in the Chicago area: KFKX and WEBH. On September 1, 1928, the Federal Radio Commission (FRC) ordered that their operations should be consolidated. WEBH was deleted, and the other two stations were merged, with a dual call letter assignment of KYW-KFKX, although the latter call sign would be rarely if ever used after 1930. In 1929, KYW's transmitter was moved from the top of Chicago's Congress Hotel to west suburban Bloomingdale Township. On May 15, 1933, after the FRC requested that stations using only one of their assigned call letters drop those that were no longer in regular use, KFKX was eliminated and the station reverted to just KYW. Move to Philadelphia (1934) Under the provisions of the FRC's General Order 40, a sweeping reallocation of station frequency assignments was implemented on November 11, 1928. KYW was assigned to the clear channel frequency of 1020 kHz, but the assignment caused two major problems. KYW's signal on the new frequency experienced difficulties in covering the entire city of Chicago. A relay transmitter, KYWA, was set up in late 1928, although it was no longer needed by the spring of 1930. A second issue was that, under the provisions of the "Davis Amendment", eight clear channel frequencies were to be allocated to each of five national regions. Chicago was located in Region 4, while the reallocation provisions had reserved 1020 kHz for use in Region 2, a grouping of mid-Atlantic states. Westinghouse fought a long legal battle, attempting to keep KYW operating as a clear channel station on 1020 in Chicago. Finally it proposed moving the station to a Region 2 location, settling on Philadelphia. However, numerous other stations made alternative proposals to be assigned this allocation, and the matter was placed in the hands of an FRC examiner, who held hearings in July 1932 to sort through 23 conflicting applications from 16 stations. Examiner Pratt's recommendation concluded that KYW's willingness to move to Philadelphia was the best possible outcome. After broadcasting its last program in Chicago on December 2, 1934, KYW aired its debut Philadelphia program the next day. Westinghouse used the studios and sales operations of WCAU. The move made KYW the easternmost U.S. radio station with a call sign beginning with "K". When KYW moved to Philadelphia, it changed from NBC Blue to NBC Red, predecessor of modern-day NBC, an affiliation it maintained during the remainder of the 1930s and throughout the 1940s; KYW was thus unaffected when, in 1942, the Federal Communications Commission (FCC) compelled RCA to divest itself of one of its two radio networks, resulting in the divestiture of the NBC Blue network (which later became the American Broadcasting Company). In mid-May 1938, KYW moved to new studios at 1619 Walnut Street in Center City. On March 29, 1941, KYW's clear channel assignment was shifted from 1020 to 1060 kHz, its current frequency, as part of a nationwide adjustment of assignments engineered by the North American Regional Broadcasting Agreement (NARBA). In 1942, KYW added an FM station at 45.7 megacycles, W57PH. It largely simulcast KYW's programming and later moved to 92.5 MHz as KYW-FM when the FM dial was shifted. But development of FM radio was slow and Westinghouse decided to shut do.... Discover the Frederick E Drinker popular books. Find the top 100 most popular Frederick E Drinker books.