01379nam a2200373 c 4500001001300000005001500013007000300028008004100031020002500072049003200097052001400129056001100143074002500154082001600179245014600195260007800341300004900419490002300468504002400491650004700515650004700562700002700609700002200636700002200658700002200680830002300702880007200725880008300797880002900880880002800909880002600937880002800963950001400991KMO20164614120201027143541ta160809s2015    jnkabd        000   korNH  a9791158200398g935600 lEM6470319lEM6470320c2fGP01a568b16-4  a56826  a11-1710137-000081-1001a621.384223006880-01a단파통신장애 알림서비스 실시 방안 마련 /d연구책임자: 김영규 ;e연구원: 이재형,e한진욱,e장혜숙  6880-02a나주 :bRRA(미래창조과학부 국립전파연구원),c2015  avi, 40 p. :b삽화, 도표, 지도 ;c26 cm10aRRA ;v2016-SM-201  a참고문헌: p. 40 8a단파 통신[短波通信]0KSH1999016481 8a통신 장애[通信障碍]0KSH20020248671 6880-03a김영규4aut1 6880-04a이재형1 6880-05a한진욱1 6880-06a장혜숙 0aRRA ;v2016-SM-201006245-01/(BaDanpa tongsin jangae allim seobiseu silsi bangan maryeon  6260-02/(BaNaju :bRRA(Mirae Changjo Gwahakbu Gungnip Jeonpa Yeonguwon),c20151 6700-03/(BaGim, Yeonggyu1 6700-04/(BaI, Jaehyeong1 6700-05/(BaHan, Jinuk1 6700-06/(BaJang, Hyesuk1 a비매품