00858naa#a2200217#i#450# EN\INFRA-M\bibl\28029 /en/manage/index 20250415230006.2 2712-9640 20191217b2019####ek#y0engy0150####ca RUS RU Estimating antenna coupling factor for problem of topside ionosphere sounding from space with using chirp signals Journal article Moscow INFRA-M Academic Publishing LLC. 2019 7 с. Journal article local Астрономия. Астрофизика. Исследование космического пространства. Геодезия. 52 RUS Podlesnyi Aleksey Vitalyevich Naumenko Andrey Vitalyevich Cedrik Mark Vladislavovich test.editorum.ru /en/manage/index