Although some local stations in Canada predate the CBC's founding, CBC is the oldest existing broadcasting network in Canada. The CBC was established on November 2, 1936. The CBC operates four terrestrial radio networks: The English-Language CBC Radio One and CBC Music, and the French-Language Ici Radio-Canada Première and Ici Musique. (International radio service Radio Canada International historically transmitted via shortwave radio, but since 2012 its content is only available as podcasts on its website.) The CBC also operates two terrestrial television networks, the English-Language CBC Television and the French-Language Ici Radio-Canada Télé, along with the satellite/cable networks CBC News Network, Ici RDI, Ici Explora, Documentary Channel (part ownership), and Ici ARTV. The CBC operates services for the Canadian Arctic under the names CBC North and Radio-Canada Nord. The CBC also operates digital services including CBC.ca/, CBC Radio 3, CBC Music/ and , and owns 20.2% of satellite radio broadcaster Sirius XM Canada, which carries several CBC-produced audio channels.