KSWC Action for Observation and Research of Ionosphere
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1 KSWC Action for Observation and Research of Ionosphere
2 Contents 1. KSWC Overview 2. Operating System for Ionosphere Observation 3. Tailored Model 4. Future Plan
3 KSWC Overview RRA started to observe ionosphere and service HF prediction in KSWC founded in 2011 at JEJU and operated various observation system including satellite receiving antenna. Radio Act Sunspot Obs. Alerts Service via SMS Geomag. Obs. Solar Radio Spectrograph F10.7 Solar Flux Meter The 14 th RWC of ISES Foun. of the RRA Internet SWx Service ( Opening KSWC (ACE tracking station, IPS, RIMS) Iono. Obs. & HF Predi. NOAA Agreement (Personnel exchanges; Hong(2010), Onsager(2011), Han(2012), Tegnell(2013))
4 Spac e Ground Based KSWC Overview Operate 11 observation systems for monitoring space weather. Produce alerts & forecast of space weather and supply various customers. Observation Products Customers Ionosondes (x2) & TEC (x5) Mag (x3) Satellite SRS (30MHz~2.5GHz) Alerts & White Alerts 3-hourly Condi. & Forecast Comm. F10.7 Meter IPS 3-day Forecast(daily) 27-day Forecast(weekly) HF Prediction(monthly) WWW Defense Comm. RIMS (30MHz~18GHz) GIC Monitor (x4) ACE, DSCOVR, STEREO Tracking Models & Services ASSA, IPS-Enlil, NAIRAS, IRI-VOACAP, GIC, etc. (29ea.) Aviation Power
5 Operating System for Ionosphere Observation DIGISONDE Vertical sounding at icheon and jeju Oblique sounding between Korea to China VIPIR Oblique sounding between Korea to Japan GNSS TEC & scintillation monitor 5
6 Operating System for Ionosphere Observation DIGISONDE DIGISONDE SYSTEM(DPS-4D) Vertical sounding at Icheon and Jeju since Started oblique sounding for KSWC IGGCAS(China) in September now : BJ, WH <=> IC, JJ future : BJ, WH, MH, SY <=> IC, JJ The purpose of oblique sounding is observing ionosphere of west sea. MH Icheon( 10~) BJ WH JJ IC Jeju( 09~) SY
7 Operating System for Ionosphere Observation DIGISONDE BEIJING->ICHEON BEIJING->JEJU
8 Operating System for Ionosphere Observation VIPIR VIPIR SYSTEM started oblique sounding for KSWC-NICT(Japan) in september => NICT transmit(4 site), KSWC receive(2 site) The purpose of oblique sounding is observing ionosphere of east sea. WAKANAI ACE ICHEON KOKUBUNJI JEJU YAMAGAWA OKINAWA
9 Operating System for Ionosphere Observation VIPIR Wakanai Icheon Kokubunji Icheon
10 Operating System for Ionosphere Observation VIPIR Yamagawa Icheon Okinawa Icheon
11 Operating System for Ionosphere Observation GNSS GNSS receivers installed at 5 sites for observation of ionosphere scintillation. Analyze L1&L2 cno, TEC, σ, S4 40min
12 Tailored MODEL HF MODEL Real-time usable HF frequency for military, airline, ships Data assimilated by IRI model Real-time positioning error for military, ships, land survey GNSS MODEL Use 60 GNSS stations in korea 40min
13 Tailored MODEL HF MODEL HF model uses real-time digisonde data and be assimilated by IRI model. It provides usable HF frequency for military, airlines, ships. MILITARY AIRLINES SHIPS #1 #2 #3 40min
14 Tailored MODEL GNSS MODEL GNSS model collects 60 stations data and analyzes each of stations data. It analyzes observation numbers, multi-pass, cycle-slip, positioning error,..etc This model is mainly used by military, ships, land survey company. KOREA GNSS STATIONS Observation number Multi-pass cycle-slip East/North/Up positioning error 40min
15 DATA SERVICE-
16 Future Plan Develop ionosphere forecasting model(2016~2018) Data merge DIGISODE + GNSS + SATELLITE Model integration Empirical model + Numerical model Analyze of Ionosphere TID (2017~2018) Analyze TID using GNSS data and DIGISONDE data 40min
17 Jun-Chul Mun
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