00593naa#a2200181#i#450# EN\\bibl\53692 20240519013026.7 1992-8181 20200325b2020####ek#y0engy0150####ca RUS RU Analysis of the positional geometric factor in combined GNSS Journal article Novorossiysk Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University” 2020 4 с. Journal article local . 621.396/629.123 RUS Birmenko D O aumsu.editorum.ru