Complex sentence: At the time of launch, WCLG was owned by C. Leslie Golliday, whose initials used in the stations call sign, and their studios were at 343 High Street in Morgantown, where they remain today.
Split into simpler sentences: At the time of launch, WCLG was owned by C. Leslie Golliday, whose initials used in the stations callsign. WCLG's studios at launch, were at 343 High Street in Morgantown, where they remain today.