call sign

American  

noun

1. call letters.

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call sign British  

noun

1. a group of letters and numbers identifying a radio transmitting station, esp an amateur radio station Compare call letters

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Etymology

Origin of call sign

First recorded in 1915–20

Example Sentences

See Examples For:

call sign

Whenever a US president is on the jet, it officially takes the call sign Air Force One.

From Barron's ● Jun. 19, 2026

“It has already won World War III because everything is in its hands,” Bulava’s drone specialist, who goes by the call sign Udav, said of China.

From The Wall Street Journal ● May 3, 2026

He's an ethnic Hungarian, from Uzhgorod in western Ukraine, and best known by his military call sign, Magyar.

From BBC ● Apr. 27, 2026

In Hegseth’s version, he replaced “and they shall know that I am the Lord,” from the book of Ezekiel with the call sign for a U.S.

From Los Angeles Times ● Apr. 16, 2026

“A-Dawg. It’s my call sign on Screaming Eagles IV.”

From "Eleven" by Tom Rogers