1. Institute of Geophysics University of Tehran Tehran Iran
2. Department of Physics Lancaster University Lancaster UK
3. South African National Space Agency (SANSA) Hermanus South Africa
4. Department of Physics and Astronomy University of the Western Cape Bellville South Africa
5. Bradley Department of Electrical and Computer Engineering Blacksburg VA USA
6. EISCAT Scientific Association Ramfjordmoen Norway
7. Department of Physics and Technology University of Tromsø Tromsø Norway