The sunspots observed from ground-based and space-based instruments.
The map of influence for HF communication which caused by solar X-ray flux enhancement.
Using the global geomagnetic indices to monitor the change of geomagnetic field.
Using GNSS receivers to calculate total electron content (TEC) and obtain the regional/global maps.
Reconstructed the 3D ionosphere from the data of FORMOSAT and ground stations to monitor ionospheric weather.
Assimilating FORMOSAT and other data into model for ionospheric weather forecast.