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In page Lincos language:

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For decades, no actual transmissions were made using Lincos; it remained largely a theoretical exercise, until Canadian astrophysicists Yvan Dutil and Stéphane Dumas, working at the Canadian Defense Research Establishment, created a noise-resistant coding system for messages aimed at communicating with extraterrestrial civilizations.[citation needed] In 1999, the astrophysicists encoded a message in Lincos and used the Yevpatoria RT-70 radio telescope in Ukraine to beam it towards close stars. This is known as Cosmic Call. The experiment was repeated (using other close stars as target) in 2003. The message was a series of pages describing some basic mathematics, physics and astronomy.[1] The Dutil–Dumas experiment was promoted by an organization called Encounter 2001.[2]