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Forecast Model

We provide a variety of information and common sense related to the space propagation environment.

Forcasting Service

  • GNSS

    GNSS Ionospheric Disturbance Monitoring over Korea Using GNSS Measurements

    • Real-time temporal and spatial monitoring of ionospheric variation using Korea GNSS Permanent Network of 80 sites
    • Provide of GNSS TEC, ROTI, S4 index
    • Producing GNSS ionospheric information every 10 minutes
Current

※ Click the image to play the video

  • Fig 1. Real-time TEC Map

  • Fig 2. Real-time ROTI Map

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  • GPS TEC

    GNSS GPS TEC 3-day prediction from Korea ionospheric empirical model

    • Prediction from GPS TEC empirical model
    • Real-time measurement of GPS TEC
    • Result of IRI model
    • Update Period : 10 minutes
Current

  • Fig1. Result of IRI model

  • IONOSPHERIC RANGE ERROR

    Estimation of ionospheric range error based on real-time GPS TEC measurements

    • 2-D map of GPS L1 ionospheric range error
    • Time seriese of GPS L1 ionospheric range error on a grid
Current

  • Fig1. GPS Ionospheric Range Error Model

  • Contact : Forecast&Observation Division, Jong-yeon Yun (jyyun55@korea.kr)
  • Developer : Korea Astronomy & Space Science Institute (jkchung@kasi.re.kr)