key station

American  

noun

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

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Example Sentences

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

From The New Yorker • Feb. 9, 2015

Kaltenborn left the Eagle in 1930 for WABC, key station of the Columbia net work.

From Time Magazine Archive

Thereupon, he popped into his secretary's office, dictated a two-sentence statement, stomped down a corridor to the master control room of his key station KHJ.

From Time Magazine Archive

There are two hundred official stations scattered all over the United States and the West Indies, each one carefully selected because its site is a key station to weather changes.

From The Boy with the U. S. Weather Men by Rolt-Wheeler, Francis