Jerry Geehan, a longtime sports broadcaster, radio station owner and civic activist, died Friday Sept. 28 in Tacoma, Wash. He was 87.He began broadcasting at KVI Radio in 1932 and was the first broadcaster for the Tacoma Tigers, a semiprofessional baseball team, in 1937. The next year Geehan went to work at KMO, broadcasting college baseball games and doing a daily sports roundup. In 1952 he bought KTAC and ran the station for 17 years. Geehan was also president of the Downtown Tacoma Assn. from 1969 to 1972. Survivors include his wife of 62 years, Dolores, and a daughter.