 After the enactment of the North American Regional Broadcasting Agreement (NARBA), KPMC moved up the dial to 1560 kHz.KPMC was an ABC Radio Network affiliate in the 1940s and early 50s, carrying its schedule of dramas, comedies, news and sports.In the 1950s, KPMC was given Class I-B status by the Federal Communications Commission, allowing it to increase its power to 10,000 watts.