international call signs

A form of international call sign — A call sign assigned in accordance with the provisions of the International Telecommunications Union to identify a radio station. The nationality of the radio station is identified by the first or the first two characters. (When used in visual signaling, international call signs are referred to as “signal letters.”)

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Meanings

noun
  1. pluralplural of international call sign
Cite this entry
APA

international call signs. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/international%20call%20signs

MLA

“international call signs.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/international%20call%20signs. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “international call signs,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/international%20call%20signs.

Source: international call signs on Wiktionary, CC BY-SA 4.0.