Where does this come from, and can I check it?

AT&T linked stations by cable so programmes could reach many cities. The figure is taken from Smithsonian Institution, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a movies & tv fact?

Yes. It sits on the Movies & TV shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Coaxial cable built the first TV networks

AT&T linked stations by cable so programmes could reach many cities In 1948 AT&T began linking television stations with coaxial cable and microwave relays, allowing one programme to reach many cities at once. Before that, networks depended on copies of kinescope recordings flown between stations. Cable networking made national schedules and national advertising possible. It sits in Mondo's movies & tv collection, one of 200 facts that each trace back to the reference below.

Where this comes from

Smithsonian Institution

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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A 1948 ruling broke the studios gripThe Paramount decrees forced the big studios to sell their cinema chains The long-playing record arrived in 1948Columbia introduced the 33⅓ rpm LP in June 1948 The WHO constitution defined health very broadlyIts 1948 preamble describes health as more than the absence of disease Kinescopes filmed live television off a screenA camera pointed at a monitor preserved broadcasts before videotape Videotape arrived in 1956Ampex demonstrated a machine that recorded television pictures on magnetic tape American colour television was standardised in 1953The FCC approved a compatible system that black-and-white sets could still receive

Tags: television, networks, 1948

Coaxial cable built the first TV networks: the short answers

Where does this come from, and can I check it?: AT&T linked stations by cable so programmes could reach many cities. The figure is taken from Smithsonian Institution, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a movies & tv fact?: Yes. It sits on the Movies & TV shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.