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Present-day telecommunications in Canada include telephone, radio, television, and internet usage. In the past, telecommunications included telegraphy available through Canadian Pacific and Canadian National.
The Canadian Broadcasting Corporation, branded as CBC/Radio-Canada, is the Canadian public broadcaster for both radio and television. It is a federal Crown corporation that receives funding from the government. The English- and French-language service units of the corporation are commonly known as CBC and Radio-Canada, respectively.
The CTV Television Network, commonly known as CTV, is a Canadian English-language terrestrial television network. Launched in 1961 and acquired by BCE Inc. in 2000, CTV is Canada's largest privately owned television network and is now a division of the Bell Media subsidiary of BCE. It is Canada's largest privately or commercially owned network consisting of 22 owned-and-operated stations nationwide and two privately owned affiliates, and has consistently been placed as Canada's top-rated network in total viewers and in key demographics since 2002, after several years trailing the rival Global Television Network in key markets.
Terrestrial television or over-the-air television (OTA) is a type of television broadcasting in which the signal transmission occurs via radio waves from the terrestrial (Earth-based) transmitter of a TV station to a TV receiver having an antenna. The term terrestrial is more common in Europe and Latin America, while in Canada and the United States it is called over-the-air or simply broadcast. This type of TV broadcast is distinguished from newer technologies, such as satellite television, in which the signal is transmitted to the receiver from an overhead satellite; cable television, in which the signal is carried to the receiver through a cable; and Internet Protocol television, in which the signal is received over an Internet stream or on a network utilizing the Internet Protocol. Terrestrial television stations broadcast on television channels with frequencies between about 52 and 600 MHz in the VHF and UHF bands. Since radio waves in these bands travel by line of sight, reception is generally limited by the visual horizon to distances of 64–97 kilometres (40–60 mi), although under better conditions and with tropospheric ducting, signals can sometimes be received hundreds of kilometers distant.
CBC Television is a Canadian English-language broadcast television network owned by the Canadian Broadcasting Corporation, the national public broadcaster. The network began operations on September 6, 1952. Its French-language counterpart is Ici Radio-Canada Télé.
Television in Canada officially began with the sign-on of the nation's first television stations in Montreal and Toronto in 1952. As with most media in Canada, the television industry, and the television programming available in that country, are strongly influenced by media in the United States, perhaps to an extent not seen in any other major industrialized nation. As a result, the government institutes quotas for "Canadian content". Nonetheless, new content is often aimed at a broader North American audience, although the similarities may be less pronounced in the predominantly French-language province of Quebec.
Digital terrestrial television in Canada is transmitted using the ATSC standard. Because Canada and the U.S. use the same standard and frequencies for channels, people near the Canada–United States border can watch digital television programming from television stations in either country where available. The ATSC standards are also used in Mexico, the Dominican Republic, Suriname, and South Korea.