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a call sign assigned in accordance with the provisions of the International Telecommunications Union to identify a radio station, raadiojaama tunnuskutsung, mis on kooskõlas Rahvusvahelise Telekommunikatsiooniliidu sätetega
signal letters . EKI terminibaas Esterm. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//esterm/signal%20letters/1/eng (02.08.2026)
