1. Universitat Politècnica de Catalunya (UPC‐IonSAT) Barcelona Spain
2. Institut d’Estudis Espacials de Catalunya (IEEC) Barcelona Spain
3. School of Electronic Information and Engineering Yangtze Normal University Chongqing China
4. Department of TSC, TALP Universitat Politècnica de Catalunya Barcelona Spain
5. GNSS Research Center Wuhan University Wuhan China
6. Wave Interaction and Propagation Section (TEC‐EFW) ESA ESTEC Noordwijk The Netherlands