CHRS is a non-profit, educational corporation chartered by the State of California in 1974 to promote the research, restoration, preservation and presentation of early radio and broadcasting. Our goal is to provide a forum for exchanging ideas and information on the history of radio and broadcasting, particularly in the West, with the emphasis on collecting, restoring and displaying vintage equipment, and related materials. We are dedicated to the study of early radio and to the importance of this first wireless medium to the San Francisco Bay Area.