01242nam a2200289 c 4500001001300000005001500013008004100028040001100069041001300080052003300093245014000126300002100266545006400287545004700351545004700398545004700445653016300492700001900655700001400674700004800688700001400736773013000750900001800880900002000898900001800918900001600936KSI00000086420031029202436030915s2000    ulk           000   kor    a0110010 akorbeng01a440.5b한624ㅊㅁc15(1.2)00a전파통신에서의 전리층 역할=xIonospheric effects on the radio communication/d표유선,e조경석,e이동훈,e김은화  ap. 21-25;c30 cm  a표유선, 정보통신부 전파연구소byspyo@rrl.go.kr  a조경석, 정보통신부 전파연구소  a이동훈, 경희대학교 우주과학과  a김은화, 경희대학교 우주과학과  a전파a전파통신a통신a전리층a역할aIonosphericaEffectsaRadioaCommunicationaIonosphereaIonospheric variationsaCommunicationaHF radio waves1 a표유선4aut1 a조경석1 a이동훈,g李東勳,d1963-0KAC2018028551 a김은화0 t天文學論叢.d韓國天文學會.g15권 특별2호(2000년 12월), p. 21-25q15:1.2<21w(011001)KSE199507484,x1225-153410aPyo, Yoo Surn10aCho, Kyoungseok10aLee, Dong-Hun10aKim, Eunhwa