Biesova, O., Karlov, V., Lukashuk, O. and Petrushenko, V. 2020. SIGNAL RELAY TIME MEASURER REFLECTED FROM A SMALL PURPOSE AT ITS LOCATION OVER THE SEA. Advanced Information Systems. 4, 3 (Oct. 2020), 139–142. DOI:https://doi.org/10.20998/2522-9052.2020.3.20.