1. Automatic Control and Systems Engineering; University of Sheffield; UK
2. Department of Physics; Ben-Gurion University; Beer-Sheva Israel
3. Laboratoire de Physique et Chimie de l'Environnement; CNRS; Orleans France
4. Swedish Institute of Space Physics; Uppsala Sweden
5. Department of Electronic Engineering; University of Electro-Communications; Tokyo Japan
6. Space Science Division, Rutherford Appleton Laboratory; UK
7. CESR/CNRS; Toulouse France
8. Mullard Space Science Laboratory; University College London; London UK