[alsos-] an electronic navigational system used in airplanes, guided missiles, etc., in which signals are sent to a pair of ground transponders whose answering signals allow the aircraft's precise position to be determined
"Shoran." YourDictionary, n.d. Web. 10 November 2018. <https://www.yourdictionary.com/Shoran>.
Shoran. (n.d.). Retrieved November 10th, 2018, from https://www.yourdictionary.com/Shoran
A relatively short-range navigation system by which a ship or aircraft can determine its position with high precision by measuring the times required for a radar signal to reach and return from each of two ground stations of known position.