International Union of Radio Science

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International Union of Radio Science

Abbreviation	URSI
Formation	1919; 105 years ago (1919)
Type	INGO
Region served	Worldwide
Official language	English, French
President	Ari Sihvola (Finland)
Parent organization	International Council for Science
Website	www.ursi.org

The International Union of Radio Science (abbreviated URSI, after its French name, French: Union radio-scientifique internationale) is one of 26 international scientific unions affiliated to the International Council for Science (ICSU).