High Quality Content by WIKIPEDIA articles! The Rocky Mountain Public Broadcasting Network, known on-air as Rocky Mountain PBS, is the flagship PBS member station in Colorado. It reaches one million viewers in Colorado, Wyoming, Nebraska and New Mexico. The network is headquartered in downtown Denver. The network's flagship station, KRMA-TV, channel 6 in Denver, signed on January 30, 1956 as an educational station owned by the Denver Public Schools. It is the oldest public television station in the Rockies.