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

KVNKVN

RAS in KOREARAS in KOREACurrent statusCurrent status

RAFCAP 7th meeting, Tokyo, 5 June, 2010

Final Goals for FreedomFinal 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


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


Protection & Sharing ActivitiesProtection & Sharing Activities

Related WP Related 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 GroupIn KCC

￮ sharing with 57-64 GHz ￮ mainly focusing with ~ 25, 75-79

GHz

Korea ITU-R SG1Korea WRC-07 WG1,2,3

￮ other ITU-R issues and WRC-12 issues

• Major Domestic Activities• Major Domestic Activities


Protection & Sharing ActivitiesProtection & Sharing Activities

Related WP Related 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 ￮ 3rd meeting/Bangkok, 4th

meeting/Hongkong

IUCAF/RAFCAP meeting

￮ 3rd SS, Tokyo, May 31-June 4, 2010 ￮ 7th meeting, Tokyo, June 5, 2010

• Major International Activities• Major International Activities


Structure of Korea ITU-R (before 2008)Structure of Korea ITU-R (before 2008)


WRC-12 Preparatory

Group

(KCC)

Steering Committee

WG1A

AMS

WG2

RNSS

WG3A

FS, MS

WG4

Science

WG5A

Satellite

WG6

Future Plan

WG1B

Maritim

e

WG3B

BS

WG5B

Satellite

Structure of WRC-12 Korea PGStructure of WRC-12 Korea PG


WRC-11 Related Issues


AI1.6

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


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




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




본원 ( 대덕연구단지 )


RAFCAP 7th meeting, Tokyo, 5 June, 2010 13

국내 전파망원경 현황


* (S : single dish, C : Continuum, VLBI : Very Long Baseine Interferometry) * (S : single dish, C : Continuum, VLBI : Very Long Baseine Interferometry)

SS1400-1427 MHz1400-1427 MHz2237 18 4837 18 48127 00 07127 00 07SRT

(Geongi High School)

SRT(Geongi High

School)

SS85-115 GHz,200-270 GHz85-115 GHz,200-270 GHz6637 27 1537 27 15126 57 19126 57 19SRAO

(Seoul Natl. Univ.)SRAO

(Seoul Natl. Univ.)

CC30-100 MHz, 100-500 MHz, 500-2500 MHz

30-100 MHz, 100-500 MHz, 500-2500 MHz

6, 106, 1037 09 0137 09 01127 32 58127 32 58IRS(MIC)IRS

(MIC)

S, CS, C

410 MHz,610 MHz,

500 MHz-18 GHz ( 연속파 )

410 MHz,610 MHz,

500 MHz-18 GHz ( 연속파 )

2 x 22 x 236 23 5436 23 54127 22 18127 22 18K-SRBL(KASI)K-SRBL(KASI)

S, C, VLBIS, C, VLBI""212133 17 1833 17 18126 27 43126 27 43Tamna Univ.(KVN)

Tamna Univ.(KVN)

S, C, VLBIS, C, VLBI""212135 32 3335 32 33129 15 04129 15 04Ulsan Univ(KVN)

Ulsan Univ(KVN)

S, C, VLBIS, C, VLBI2.2-2.8, 8-9, 22-24,

42-44, 86-116, 127-150 GHz

2.2-2.8, 8-9, 22-24, 42-44, 86-116, 127-150 GHz

212137 33 4437 33 44126 56 35126 56 35Yonsei Univ.(KVN)

Yonsei Univ.(KVN)

S, C, VLBIS, C, VLBI86-116, 127-175 GHz

86-116, 127-175 GHz13.713.736 23 5436 23 54127 22 18127 22 18TRAO

(KASI)TRAO(KASI)

RemarksRemarksOperating BandsOperating BandsAnt (m)Ant (m)Latitude ( ' ")

Latitude ( ' ")

Longitude

( o ' ")

Longitude

( o ' ")ObservatoryObservatory

THE MOST POWERFUL

mm-VLBI NETWORK SYSTEM

ON OUR PLANET!

TOP Brand

Multi Frequency & Simultaneous Obs.

mm-VLBI system

high speed Correllator system

east Asia VLBI center


Taeduk Radio Astronomy Observatory, 14m


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


The 2nd 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


KVN-Recent State and Future

System States

Telescopes Installed in 2008

Rx

22/43 GHz Installed in 2009

86/129 GHzInstall one set in 2010Install all set in 2011

Correlator Install in 2010

System


KVN-Recent State and Future

Frequency States

22/43 GHzSingle Beam

- Started from 2009- Open from 2010

VLBI- On Test Observation- Start from 2011

86/129 GHzSingle Beam - Start from 2011

VLBI - Start from 2012

Observations



22/43 GHz Test Observations

Orion-KL, H2O and SiO Maser Line

Simultaneous Observation Results !!!!!on October 28th 2008


VLBI Test Observations


VLBI Test Observations

Yonsei-Ulsan

Ulsan-Tamna Yonsei-Tamna

- Source : NRAO150- Date : Oct. 12, 2009 - Freq. : 42.809 GHz (Continuum)


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


KJJVC(Korea-Japan Joint VLBI Correrlator)


Future Plan of KVN

2008

2009

2010

2011

East-ASIAVLBI Center

Ulsan RAOKVN Yonsei RAO Tamna RAO

TEST of KVN+VERA VLBI OBS.

VLBI with 3stations of KVN

<VLBI TEST with VERA> Operating with J-K CorrelatorLunch with 86/129 GHz

Documents

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