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Continue to ChatGPS signal jamming effect in Svalbard Island and its elimination by using GLONASS, Galileo and Beidou satellites - https://avesis.comu.edu.tr/yayin/8dbf0359-dafa-49c9-8c24-745522064424/gps-signal-jamming-effect-in-svalbard-island-and-its-elimination-by-using-glonass-galileo-and-beidou-satellites