LDR 00825naa#a2200229#i#450# 001 EN\INFRA-M\bibl\20544 005 20241218045421.3 011 ## _a2712-9640 100 ## _a20180629b2018####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aDiagnostics of HF radio channel: based on data from backscatter ionospheric sounding by continuous chirp signal _eJournal article 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2018 215 ## _a7 с. 608 ## _aJournal article _2local 675 ## _aИнженерное дело. Техника в целом. Транспорт. 62 _zRUS 700 #1 _aPonomarchuk _gSergey Nikolaevich 700 #1 _aGrozov _gViktor Petrovich 700 #1 _aKotovich _gGalina Vasilyevna 700 #1 _aKurkin _gVladimir Ivanovich 700 #1 _aPenzin _gMaksim Sergeevich 856 4# _azh-szf.ru _u