key station

American  

noun

1. a radio or television station that originates most of a network's broadcasting.

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Example Sentences

As a key station in the south Atlantic, its data is vital for climatological studies, and its old-school methods have made the men unlikely rock stars on the island.

From The Guardian

The TV reporter said the town, which links the militant group’s two strongholds now under attack, served as a key station for IS oil transport and distribution.

From Washington Times

Embassy in Damascus, in February, 2012, it has become a key station for coördinating Washington’s Syria strategy.

From The New Yorker

Greater Anglia, which runs trains from Liverpool Street to destinations east of London, announced that certain services would be suspended and others would not stop at Stratford, the key station for the the Olympic stadium, from midday because of the heat.

From The Guardian

She looks out for any mentions of key station names and other relevant phrases.

From BBC