00621naa#a2200193#i#450# EN\\bibl\36241 20241124195415.7 2072-9502 20191025b2019####ek#y0engy0150####ca RUS RU CHARACTERISTICS OF UHF WAVES DISTRIBUTION IN LAND AND WATER SURFACE TROPOSPHERIC WAVEGUIDE Journal article Astrakhan Astrakhan State Technical University 2019 6 с. Journal article local . 621.391.812.3 RUS Kalambatskaya Oxana Vladimirovna Pishchin Oleg Nickolaevich vestnik.astu.org