1. KVN RAS in KOREA Current status

2. KVN Basic Concepts Our DUTY Registration our RA sites  Helping peoples for Better Lives Our RIGHT protect RAS from harmful interference and share with other Active Services Our DUTY Registration our RA sites  Helping peoples for Better Lives Our RIGHT protect RAS from harmful interference and share with other Active Services

3. KVN 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

4. KVN 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-11 PG) - 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-11 PG) - International Activities : WRC (/3-4 year) : regional meetings(APG, RAFCAP, IUCAF)-/year

5. KVN Protection & Sharing Activities Related WPRelated issues Korea ITU-R SG7 ￮ Science service ￮ ITU-R WP7D, WP1A Korea WRC-07 WG4 ￮ APG-11, CPM-11, WRC-11 ￮ WRC-11 Agenda Items 1.6, 11, 12, 16, 24 UWB Study Group mm-wave Study Group ￮ sharing study from 3.1 GHz to 10 GHz ￮ mainly focusing with ~ 25, 75-79 GHz Korea ITU-R SG1 Korea WRC-07 WG3, 5 ￮ other ITU-R issues and WRC-11 issues Major Domestic Activities

6. KVN Protection & Sharing Activities Related WPRelated issues ITU-R Study Groups ￮ Questions, Recommendations for RAS ￮ ITU-R SG7, WP7D, WP1A ￮ 31 March-4 April, 2008/WP7D/Geneva ￮ October, 2008/WP7D/Geneva APG meeting ￮ WRC-11 Agenda Items for RAS ￮ 6-8 March, 2008/APG-11 1 st /Bangkok IUCAF meeting ￮ Questions, Recommendations for RAS ￮ Issues of WRC-11 Agenda Items Major International Activities

7. KVN Structure of Korea ITU-R (before 2008)

8. KVN WRC-11 Preparatory Group (MIC) 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-11 Korea PG

9. KVN 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

10. KVN 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

11. KVN 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

12. KVN RAS in KOREA TRAO, 14m KVN Yonsei KVN Tamna KVN Ulsan SRAO, 6m 경기과학고 Seoul Univ. Yonsei Univ. MIC, Solar Radio KASI Solar Radio

13. KVN * (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

14. KVN 전파로 본 우주 KVN Korean VLBI Network

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. KVN KVN : Korean VLBI Network (21m  3 dishes) Seoul – Yonsei Univ. Ulsan – Ulsan Univ. Jeju – Tamna Univ. Operating Frequency Bands 2.2-2.8 GHz 8-9 GHz 21.5-23.5 GHz 42-44 GHz 86-115 GHz

17. KVN Taeduk Radio Astronomy Observatory, 14m

18. KVN 14 m Radio Telescope

19. KVN System Block Diagram (TRAO)

20. KVN TRAO Receiver System  100/150 GHz Dual Channel SIS Receiver  (Developed by TRAO)  - Tuning Ranges : 84 ~ 116 GHz, 124 ~ 175 GHz  - Tsys(SSB) :300 ~ 500 K (100 GHz Band)  400 ~ 700 K (150 GHz Band)  - Frequency Auto Tuning system  15 Beam Focal Plane Array Receiver  - Trx (SSB) = 350K, Tsys(SSB) = 800K(at 115GHz)  - Operating Frequency : 86 - 115GHz (Bandwidth 350MHz)

21. KVN Dual SIS Receiver System

22. KVN Orion KL IRc2 : Time Monitoring Observation of SiO v=2, J=3-2 (TRAO)

23. KVN 6m 전파망원경 2002

24. KVN 6m radio telescope Seoul National Univ. Radio Astronomy Observatory (SRAO) operating from Oct. 2001 Observing Frequency 85-240 GHz

25. KVN First Light of SRAO 230GHz

26. KVN First Light of SRAO 230GHz

27. KVN 2.3m Radio Tele. 2004 Geong-gi High School

28. KVN Constructing Status KVN Ulsan Radio Astronomy Observatory 1 KVN Yonsei Radio Astronomy Observatory 2 KVN Tamna RAO3 2 East Asia VLBI Center

29. KVN KVN Ulsan Obs. 2007. 09.03 Photogrammetry

30. KVN 2007. 06 2007. 10.31 KVN Yonsei Obs.

31. KVN 2007. 05 2007. 10. KVN Tamna Obs.

32. KVN Future Plan  System Configuration of KVN(2008)  Ulsan, Yonsei, Tamna  KVN+VERA Network Test  KVN Ulsan Obs.(> 2008. 3)  Construction of east Asia VLBI Center  < 2009  operating from 2010

33. KVN Future Plan of KVN 2007 2008 2009 2010 East-ASIA VLBI Center Ulsan RAO KVN Yonsei RAO Tamna RAO TEST of KVN+VERA VLBI OBS. 3stations of KVN (VLBI Research Center) Operating with J-K Correlator Test of mm VLBI

34. KVN T HE M OST P OWERFUL mm-VLBI N ETWORK S YSTEM ON O UR P LANET !