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

Hundreds of kilometres away, a 45-year-old military commander who goes by the call sign "Jason", was just back from a mission.

From Barron's ● Aug. 7, 2026

Another member of the unit, a 36-year-old with the call sign Khersonets, joined up when Russian troops occupied Crimea in 2014 and re-enlisted in 2022.

From The Wall Street Journal ● Jun. 25, 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

“And you will know my call sign is Sandy 1, when I lay my vengeance upon thee.”

From Los Angeles Times ● Apr. 16, 2026

They used her name as the call sign and Derek had shown Brian how to use the radio, the correct procedure in case of an emergency.

From "The River" by Gary Paulsen