Power 99 (KPXP-FM) was launched Dec. 20, 1992 , to serve the Northern Mariana Islands with music, news and information 24 hours a day. Power 99 is the most listened to radio station in the Northern Marianas . It programs a mass appeal, contemporary-hit format with its commitment to being Saipan 's most promotion-oriented and visible radio station. All sales and management inquiries are handled directly by Power 99. The engineering, production, and support services are made through the station's Guam office.