Tsikada

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{{Expand Russian}}

Tsikada ({{langx|ru|Цикада}} meaning cicada) was a Soviet satellite navigation system including ten Low Earth Orbit (LEO) satellites. It transmitted the same two carrier frequencies as the U.S. TRANSIT satellite system.{{Cite book |last=Hofmann-Wellenhof |first=Bernhard |title=GNSS - Global Navigation Satellite Systems: GPS, GLONASS, Galileo and more |last2=Lichtenegger |first2=Herbert |last3=Wasle |first3=Elmar |date=2008 |publisher=Springer |isbn=978-3-211-73017-1 |location=Wien New York |pages=5 |bibcode=2008gnss.book.....H |doi=10.1007/978-3-211-73017-1}} The first satellite was launched in 1974.