WATERTOWN, SD – Prairie Winds Broadcasting has announced the purchase of Armada Media Corporation’s five radio stations, and three translators in northeastern South Dakota for $1.5 million. The deal includes: Variety Hits “99.5 Jack-FM” Sisseton SD, Country “Pheasant Country 103” KBWS-FM 102.9 Sisseton SD, Classic Hits KMSD-AM 1510/95.1 K236CU/98.3 K252FB Milbank SD, Classic Rock “Power…