01273nam a2200349 c 4500001001300000005001500013007000300028008004100031020002500072049003200097052001600129056001300145074002500158082001900183245013900202260005100341300004000392490002400432504002400456650006000480650004000540700002700580700002200607700003600629830002400665880008200689880005500771880002800826880002900854880002600883950001400909KMO20195045020220823143928ta190509s2019    jnkad         000   korNH  a9791158201234g935600 lEM7301085lEM7301086c2fGP01a568.6b19-1  a568.626  k11-1721137-000043-0101a621.384156223006880-01a통신 및 방송 계획위성 주파수 활용방안 연구 /d연구책임자: 이경희 ;e연구원: 김도경,e신남일  6880-02a나주 :b국립전파연구원,c2019  av, 28 p. :b삽화, 도표 ;c26 cm10aRRA ;v2019-ETC-201  a참고문헌: p. 28 8a위성 중계 방송[衛星中繼放送]0KSH1998004183 8a주파수[周波數]0KSH19980041831 6880-03a이경희4aut1 6880-04a김도경1 6880-05a신남일0KAC202077280 0aRRA ;v2019-ETC-201006245-01/(BaTongsin mit bangsong gyehoek wiseong jupasu hwaryong bangan yeongu  6260-02/(BaNaju :bGungnip Jeonpa Yeonguwon,c20191 6700-03/(BaI, Gyeonghui1 6700-04/(BaGim, Dogyeong1 6700-05/(BaSin, Namil1 a비매품