RBS (the initialism of the former official name, the Royal Broadcasting Service) is a Sierran public broadcaster owned and operated by the Government of Sierra. Founded in 1949 as a public radio broadcaster, it has since expanded to providing public television and online broadcasting. It is one of the largest television networks in Sierra as part of the "Big Five" in Sierran media (the others being EBC, 16ON, MCN, and TNC). The network is headquartered on Flower Street and Western Avenue at the RBS Center in Glendale, Gold Coast, Sierra. There are additional offices and production facilities elsewhere throughout the Greater Porciúncula Area, as well as in San Francisco City and San Diego.