The NIGTEC is a model of the ionospheric GNSS TEC over Nigeria (Longitudes 2-15 degrees East, Latitudes 4-14 degrees North)

The model can be used to obtain the ionospheric GNSS TEC at all locations over Nigeria.

For this version of the model (version 1.2), usage is encouraged to be restricted between years 2010-2023. There is plan to update the model biennially. The year span of encouraged usage will be expanded in subsequent versions of the model.

The model is developed by the method of artificial neural networks as detailed in the full paper which is on open access at: and also included in the model folder


This program is only open for applications in Research and Education

Aerospace Toolbox
Neural Network Toolbox
Statistics Toolbox
Download NigTEC Model

Dr Daniel Okoh
Space Environment Research Laboratory
United Nations African Regional Centre for Space Science and Technology Education-English, (UN-ARCSSTE-E),

National Space Research and Development Agency
Airport Road, Abuja, Nigeria


Nigeria TEC Model Videos

Nigeria TEC Model Maps

Leave a Reply

Your email address will not be published. Required fields are marked *