1. Space weather forecasting (Kp-Index)
- Today
![](http://iono-gnss.kmitl.ac.th/space_meter/daily/meter1_today.png)
- Tomorrow
![](http://iono-gnss.kmitl.ac.th/space_meter/daily/meter2_tmr.png)
- Next 2 days
![](http://iono-gnss.kmitl.ac.th/space_meter/daily/meter3_2day.png)
2. Radio Communication
(a) MUF Map (foF2 IRI) – Simple algorithm
(b) MUF Map (foF2 IRI) – “Lockwood” algorithm
3. GNSS Technology
(a) Positioning error Map for Single-frequency user
Correction model: Klobuchar model (ionospheric delay), Saastimonen model (Tropospheric model)
![](http://iono-gnss.kmitl.ac.th/positioning_map/PostMap_daily_hor.gif)
![](http://iono-gnss.kmitl.ac.th/positioning_map/PostMap_daily_ver.gif)