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Communication, Ocean and Meteorological Satellite(COMS) Program in Korea

GOES-R User Conf. (10-14 May, 2004). Communication, Ocean and Meteorological Satellite(COMS) Program in Korea. COMS Program Office(METRI), Korea Meteorological Administration & Korea Aerospace Research Institute. 2011 Scientific Satellite4. 2005 Scientific Satellite 2. 2003

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Communication, Ocean and Meteorological Satellite(COMS) Program in Korea

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  1. GOES-R User Conf. (10-14 May, 2004) Communication, Ocean and Meteorological Satellite(COMS) Program in Korea COMS Program Office(METRI), Korea Meteorological Administration & Korea Aerospace Research Institute

  2. 2011 Scientific Satellite4 2005 Scientific Satellite 2 2003 Scientific Satellite 1 2004 KOMPSAT 2 2005 KOREASAT 5 2009 KOMPSAT4 2010 KOMPSAT5 2012 KOMPSAT 6 2014 KOMPSAT 7 2013 Scientific Satellite 5 2015 Scientific Satellite 6 2015 KOMPSAT 8 2015 KOREASAT 6 National Space Program in Korea 2008 Communication, Ocean & Meteorological Satellite-1 2006 2001 1999 KOMPSAT 1 2008 KOMPSAT 3 2008 Scientific Satellite 3 1999 KITSAT 3 1999 KOREASAT 3 2014 Communication, Ocean & Meteorological Satellite 2 2011

  3. Mission Objectives of COMS • Satellite Communication Mission • In-orbit verification of the performance of advanced communication technologies. • Experiment of wide-band multi-media communication service. • Ocean Monitoring Mission • Monitoring of marine environments around the Korean peninsula. • Production of fishery information(Chlorophyll, etc.). • Monitoring of long-term/short-term change of marine ecosystem • Weather Monitoring Mission • Continuous monitoring of imagery and extracting of meteorological products with high-resolution and multi-spectral imager. • Early detection of special weathers such as storm, flood, yellow sand, etc. • Extraction of data on long-term change of sea surface temperature and cloud.

  4. COMS Development Organization

  5. COMS - itinerary

  6. COMS Satellite Description • Total Fund of COMS-1 : appr. 240 Million dollars • Mounting Payload Specfication Communication System ( Wt : 90 kg Needed Power : 1,500 W) Marine Obs. Sensor ( Wt : 60 kg N/P : 80 W) Meteorological Obs. Sensor (Wt : 150 kg N/P : 270 W) • The Oncoming Schedule 2004 : Completion of System Design 2005 : Completion of preliminary Design 2006 : Completion of detailed Design 2007 : System Assembly and Test 2008 : Launch and Operation of Satellite

  7. Meteorological Imager (5 channels) - Vis 0.55~0.80 micrometer - IR 3.5~4.0, 6.5~7.0, 10.3~11.3, 11.5~12.5 micrometer COMS - figure • platform type • expected at (0 N, 116 E) Solar panel Ka-band antenna for telecommunication Meteorological Payload Inertial balance • Observation mode - Full Disk (planetary) : once / 3 hours - Regional (synoptic) : 4 times/1 hour - Local (mesoscale) : 8 times / 1 hour Oceanographic payload Antenna for Met/ocean data

  8. COMS System Requirement

  9. Requirement of Ka-band Payload(TBC) Ka-band Service Coverage User Requirements (1/4)- Communication Mission -

  10. Requirement of Ocean Sensor(TBD) Ocean Sensor Coverage User Requirements (2/4)- Oceanic Mission -

  11. User Requirements (3/4)- Meteorological Mission (1/2) - • Requirement of Imager(TBC)

  12. Operation Mode of Imager Regional Observation Area Watched on the 116E Equator User Requirements (4/4)- Meteorological Mission (2/2) - * EAPNH : East Asia and Pacific in Northern Hemisphere

  13. Internet Internet COMS System Architecture Ka-band RF Signals HRIT/LRIT Meteorological Information Supply Command, Telemetry Communication System Monitoring Facility Raw Data, HRIT/LRIT Foreign Meteorological Data Receiving Station HRIT/LRIT Raw Data Various Site Satellite Operation Control Center / Back-up Data Processing Center Meteo/Ocean Data Application Center (Primary Data Processing Center) Exclusive Line Foreign Meteorological Organization / Foreign User Specialized Organization / Domestic User

  14. COMS Frequency and Orbit(Draft) • COMS Orbital Position : 116E (Target Orbit) • COMS Frequency Band • For Ocean and Meteorological Service (will be filed to ITU) • 1,670 ~ 1,710 MHz • 2,025 ~ 2,110 MHz • 2,200 ~ 2,290 MHz • For Communication Service (already secured) • 27.0 ~ 31.0 GHz • 18.1 ~ 21.2 GHz

  15. Case Analyses • July 31,1998 Shoonchun 187mm/day • Mt. Jiri’s Heavy rainfall • - July 15, 2001 Seoul 273.4mm/day • Seoul/Kyungki Prov. • Heavy Rainfall • - Aug. 31, 2002 Kangnung 870.5mm/day • TY Rusa’s Heavy Rainfall

  16. The Distributions of Daily Rainfall TY Rusa Heavy Rainfall Mt. Jiri Heavy Rainfall Seoul/Kuingki Prov

  17. Hourly Rainfall Intensity(Mt. Jiri’s Heavy rainfall)

  18. Distribution of Hourly Rainfall(Mt. Jiri Heavy Rainfall) 13LST 14LST 15LST 16LST 17LST 18LST 19LST 20LST 21LST 22LST 23LST 24LST

  19. Hourly Rainfall Intensity(Seoul/Kyungki Prov) * 일강수 5순위 : 서울, 춘양(*), 춘천, 홍천, 양평, 인천

  20. Distribution of Hourly Rainfall(Seoul/Kyungki Prov. Heavy Rainfall) 01LST 02LST 03LST 04LST 05LST 06LST 07LST 08LST 09LST 10LST 11LST 12LST

  21. Hourly Rainfall Intensity(TY Rusa Heavy Rainfall) * 일강수 5순위 : 강릉, 대관령, 동해, 속초, 추풍령

  22. Distribution of Hourly Rainfall(TY Rusa Heavy Rainfall) 02LST 04LST 06LST 08LST 10LST 12LST 14LST 16LST 18LST 20LST 22LST 24LST No observed data due to record-broken rain

  23. Summary • Meteorological Effects: - Early detecting and continuous monitoring the high impact weathers - Improvement of NWP model using satellite data - Early detection of aerosol, such as Asian dust, and monitoring of its transport, etc. - Long term extraction of climate variation information • Oceanographical Effects: - Reducing the property damages of fishermen - preventing the ocean resources from damaging • Communicational Effect: - In-orbit test of developed communication payload

  24. COMS – Sincere Prayer Wishes for a succesful COMS Project

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