00764naa#a2200181#i#450# EN\\bibl\117583 20260320135055.5 2412-9186 20260320b2026####ek#y0engy0150####ca RU A Method for Monitoring the Availability of Required Navigation Performance for Locomotive Satellite Navigation Equipment Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2026 18 с. Journal article local Показатели качества систем автоматического управления. 681.5.03 Demyanov Vladislav Vladimirovich Loginov Denis Dmitrievich atjournal.ru