Radio Station WAHR On Air Greater Miami's newest radio station, WAHR, goes on the air today. It will operate from 7 a.m. to midnight seven days a week with 250 watts and will be found on the dial at 1490. The studios are at 420 Lincoln Rd., Miami Beach. The call letters stand for the initials of Alan Henry Rosenson, owner and general manager. He also started the station WLRDWF in which he still holds a partnership. Marshall J. Simmons, is manager of the new station. of major a writein