Complex sentence: Philadelphia's 106.1 began operation on November 11,1959 as WQAL and was owned by George Voron, whose company provided businesses with "piped-in music".
Split into simpler sentences: Philadelphia's 106.1 began operation on November 11,1959. Broadcasting Yearbook page C-181 Its first call letters were WQAL it was owned by George Voron, whose company provided businesses with "piped-in music".