1. KVN RAS in KOREA Current status

2. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 Final Goals for Freedom Challenge and Change - Domestic and International Activities (Technical studies and Political Actions) - Needs for a Good Relationship with -Government Peoples and Active Services  Modify International Radio Regulations  Modify Domestic radio Law  Registration RA sites Challenge and Change - Domestic and International Activities (Technical studies and Political Actions) - Needs for a Good Relationship with -Government Peoples and Active Services  Modify International Radio Regulations  Modify Domestic radio Law  Registration RA sites

3. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 What can WE do for Protection & Sharing Activities What can WE do for Protection & Sharing Activities Technical Studies - Domestic Activities (Korea ITU-R) - International Activities : ITU-R (SG7, WP7D), CPM Political Activities - Domestic Activities (Korea WRC-12 WG4) - International Activities : WRC (/3-4 year) : regional meetings(APG, RAFCAP, IUCAF)-/year Technical Studies - Domestic Activities (Korea ITU-R) - International Activities : ITU-R (SG7, WP7D), CPM Political Activities - Domestic Activities (Korea WRC-12 WG4) - International Activities : WRC (/3-4 year) : regional meetings(APG, RAFCAP, IUCAF)-/year

4. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 Protection & Sharing Activities Related WPRelated issues Korea ITU-R SG7 ￮ Science service ￮ ITU-R WP7A, 7B, 7C, 7D WP1A, 3, 4 Korea WRC-07 WG4 ￮ APG-12, CPM-12, WRC-12 ￮ WRC-12 Agenda Items 1.6, 11, 12, 16, 24 Other Study Group In KCC ￮ sharing with 57-64 GHz ￮ mainly focusing with ~ 25, 75-79 GHz Korea ITU-R SG1 Korea WRC-07 WG1,2,3 ￮ other ITU-R issues and WRC-12 issues Major Domestic Activities

5. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 Protection & Sharing Activities Related WPRelated issues ITU-R Study Groups ￮ Questions, Recommendations for RAS ￮ ITU-R SG7, WP7D, WP1A ￮ June, Oct. 2010/WP7D/Geneva APG meeting ￮ WRC-12 Agenda Items for RAS ￮ 3 rd meeting /Bangkok, 4 th meeting/Hongkong IUCAF/RAFCAP meeting ￮ 3 rd SS, Tokyo, May 31-June 4, 2010 ￮ 7 th meeting, Tokyo, June 5, 2010 Major International Activities

6. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 Structure of Korea ITU-R (before 2008)

7. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 WRC-12 Preparatory Group (KCC) Steering Committee WG1A AMS WG2 RNSS WG3A FS, MS WG4 Science WG5A Satellite WG6 Future Plan WG1B Maritime WG3B BS WG5B Satellite Structure of WRC-12 Korea PG

8. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 WRC-11 Related Issues AI 1.6 to review No. 5.565 of the Radio Regulations in order to update the spectrum use by the passive services between 275 GHz and 3,000 GHz, in accordance with Resolution 950 (Rev.WRC-07), and to consider possible procedures for free-space optical-links, taking into account the results of ITU-R studies, in accordance with Resolution 955 (WRC-07) WP1A 1.11 to consider a primary allocation to the space research service (Earth-to-space) within the band 22.55-23.15 GHz taking into account the results of ITU-R studies, in accordance with Resolution 735 (WRC-07) WP7B 1.12 to protect the primary services in the band 37-38 GHz from interference resulting from aeronautical mobile service operations, taking into account the results of ITU-R studies, in accordance with Resolution 754 (WRC-07) WP7B

9. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 1.16 to consider the needs of passive systems for lightning detection in the meteorological aids service, including the possibility of an allocation in the frequency range below 20 kHz, and to take appropriate action, in accordance with Resolution 671 (WRC-07) WP7C 1.24 to consider the existing allocation to the meteorological- satellite service in the band 7750-7850 MHz with a view to extending this allocation to the band 7850-7900MHz, limited to non-geostationary meteorological satellites in the space-to-Earth direction, in accordance with Resolution 672 (WRC-07) WP7B WRC-11 Related Issues

10. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 CG : contributing Issues 1.8 to consider the progress of ITU-R studies concerning the technical and regulatory issues relative to the fixed service in the bands between 71GHz and 238GHz, taking into account Resolutions 731(WRC-2000) and 732(WRC-2000) WG5C 1.13 to consider the results of ITU-R studies in accordance with Resolution 551 and decide the spectrum usage of the 21.4-22 GHz band and the associated feeder-link bands in Regions 1 and 3(planning methodologies, coordination procedures or other procedures) WG4A WRC-11 Related Issues

11. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 본원 ( 대덕연구단지 )

12. RAFCAP 7 th meeting, Tokyo, 5 June, 2010

13. 13 국내 전파망원경 현황

14. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 * (S : single dish, C : Continuum, VLBI : Very Long Baseine Interferometry) S1400-1427 MHz237 18 48127 00 07 SRT (Geongi High School) S 85-115 GHz, 200-270 GHz 637 27 15126 57 19 SRAO (Seoul Natl. Univ.) C 30-100 MHz, 100-500 MHz, 500-2500 MHz 6, 1037 09 01127 32 58 IRS (MIC) S, C 410 MHz, 610 MHz, 500 MHz-18 GHz ( 연속파 ) 2 x 236 23 54127 22 18 K-SRBL (KASI) S, C, VLBI"2133 17 18126 27 43 Tamna Univ. (KVN) S, C, VLBI"2135 32 33129 15 04 Ulsan Univ (KVN) S, C, VLBI 2.2-2.8, 8-9, 22-24, 42- 44, 86-116, 127-150 GHz 2137 33 44126 56 35 Yonsei Univ. (KVN) S, C, VLBI 86-116, 127-175 GHz 13.736 23 54127 22 18 TRAO (KASI) RemarksOperating BandsAnt (m) Latitude ( ' ") Longitude ( o ' ") Observatory

15. T HE M OST P OWERFUL mm-VLBI N ETWORK S YSTEM ON O UR P LANET ! TOP Brand Multi Frequency & Simultaneous Obs. mm-VLBI system high speed Correllator system east Asia VLBI center

16. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 Taeduk Radio Astronomy Observatory, 14m

17. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 KVN : Korean VLBI Network (21m  3 dishes) Seoul – Yonsei Univ. Ulsan – Ulsan Univ. Jeju – Tamna Univ. Operating Frequency Bands 21.5-23.5 GHz 42-44 GHz 86-129 GHz

18. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 The 2 nd Radio Facility of Korea  KVN (Korean VLBI Network)  3 × 21m Antennas  4 Channels (22, 43, 86, 129 GHz) Simultaneous Observing System  Multi-Channel Phase Correction System  Korea & Japan Correlator - 16 Recorders for EAVN VERA 22/43GHz phase ref. test (Jung et al.) r 0.99

19. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 KVN-Recent State and Future SystemStates TelescopesInstalled in 2008 Rx 22/43 GHzInstalled in 2009 86/129 GHz Install one set in 2010 Install all set in 2011 CorrelatorInstall in 2010 System

20. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 KVN-Recent State and Future FrequencyStates 22/43 GHz Single Beam - Started from 2009 - Open from 2010 VLBI - On Test Observation - Start from 2011 86/129 GHz Single Beam- Start from 2011 VLBI- Start from 2012 Observations

21. RAFCAP 7 th meeting, Tokyo, 5 June, 2010

22. 22/43 GHz Test Observations Orion-KL, H2O and SiO Maser Line Simultaneous Observation Results !!!!! on October 28 th 2008

23. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 VLBI Test Observations

24. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 VLBI Test Observations Yonsei-Ulsan Ulsan-TamnaYonsei-Tamna - Source : NRAO150 - Date : Oct. 12, 2009 - Freq. : 42.809 GHz (Continuum)

25. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 Correlator - Korea-Japan Joint VLBI Correlator - 16 Recorders (8 Mark5B, 4 VERA2000+DMS-24, 4 K5) - 16 RVDB (Raw VLBI Data Buffer) - Data Archive (100TB, 1PB in future) - Serve of VLBI data analysis - Backup system - e-VLBI

26. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 KJJVC(Korea-Japan Joint VLBI Correrlator)

27. RAFCAP 7 th meeting, Tokyo, 5 June, 2010 Future Plan of KVN 2008 2009 2010 2011 East-ASIA VLBI Center Ulsan RAO KVN Yonsei RAO Tamna RAO TEST of KVN+VERA VLBI OBS. VLBI with 3stations of KVN Operating with J-K Correlator Lunch with 86/129 GHz