KVN RAS in KOREA Current status

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

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

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 GHz ￮ mainly focusing with ~ 25, GHz Korea ITU-R SG1 Korea WRC-07 WG1,2,3 ￮ other ITU-R issues and WRC-12 issues Major Domestic Activities

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

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

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

RAFCAP 7 th meeting, Tokyo, 5 June, 2010 WRC-11 Related Issues AI 1.6 to review No 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 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 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

RAFCAP 7 th meeting, Tokyo, 5 June, 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 MHz with a view to extending this allocation to the band MHz, limited to non-geostationary meteorological satellites in the space-to-Earth direction, in accordance with Resolution 672 (WRC-07) WP7B WRC-11 Related Issues

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 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

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

RAFCAP 7 th meeting, Tokyo, 5 June, 2010

13 국내 전파망원경 현황

RAFCAP 7 th meeting, Tokyo, 5 June, 2010 * (S : single dish, C : Continuum, VLBI : Very Long Baseine Interferometry) S MHz SRT (Geongi High School) S GHz, GHz SRAO (Seoul Natl. Univ.) C MHz, MHz, MHz 6, IRS (MIC) S, C 410 MHz, 610 MHz, 500 MHz-18 GHz ( 연속파 ) 2 x K-SRBL (KASI) S, C, VLBI" Tamna Univ. (KVN) S, C, VLBI" Ulsan Univ (KVN) S, C, VLBI , 8-9, 22-24, , , GHz Yonsei Univ. (KVN) S, C, VLBI , GHz TRAO (KASI) RemarksOperating BandsAnt (m) Latitude ( ' ") Longitude ( o ' ") Observatory

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

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

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 GHz GHz GHz

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

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

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

RAFCAP 7 th meeting, Tokyo, 5 June, 2010

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

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

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

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

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

RAFCAP 7 th meeting, Tokyo, 5 June, 2010 Future Plan of KVN 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