Ionosphere Monitoring and Prediction Center

Swarm Ionospheric Gradients

Precision and safety-of-life applications using trans-ionospheric signals require key information on space weather conditions, in particular, on the perturbation degree of the ionosphere. Such systems are especially vulnerable against severe spatial gradients and rapid changes of the electron density (Ne), as well as the total electron content (TEC) measured along different satellite‐receiver links. Two new Swarm products are demonstrated:

The approach takes benefit from the coordinated flight of satellites A and C at an orbit height of about 460 km. A first iteration of a prototype demonstrator is developed for TEGIX and NEGIX generation and samples case studies to explore their potential impact, utility and usage. A comprehensive validation study has been performed for TEGIX and NEGIX products.




Project duration: October 2022 – November 2023.

This project is funded by ESA via the Swarm DISC, Sub-Contract No. SW‐CO‐DTU‐GS‐133.

For more information, header over to:

Terms and Conditions of Use

In any case you plan to use IMPC material please consider the IMPC terms and conditions of use.