Sheridan Broadcasting Corporation supports WAMO, an FM radio station that has been a part of Pittsburgh s history for more than 55 years. WAMO originated in Homestead, Pa., as WHOD. The call letters were changed to WAMO in 1956 and the station went on the air in 1960. Sheridan Broadcasting Corporation purchased WAMO in 1973, along with WILD in Boston and WUFO in Buffalo, N.Y. Five years later,...