The final spin-off mandated by the Department of Justice to allow Cumulus to consumate its acquisition of Citadel last year has been made. The Potential Broadcasting Trust has sold Classic Rock 92.1 WTPA Palmyra/Harrisburg PA to Patrick Sickafus for $530,000. Sickafus is the owner of Classic Country 1510 WWSM Annville PA. Sickafus, under the name