sentences:  In 1927, the station's frequency was changed from 940 kHz to 1210 kHz, and was changed to 1360 kHz the following year.Gene T. Dyer purchased interest in the station in 1930, and in 1937 its studios were moved to 2400 W. Madison Street, where co-owned WSBC was located.In March 1941, WGES moved to 1390 kHz as a result of the North American Regional Broadcasting Agreement and the following year its power was increased from 500 watts to 5,000 watts, moving its transmitter location from the roof of the Guyon Hotel to 86th and Kedzie in Chicago.