1. Department of Physics; University of Otago; Dunedin New Zealand
2. Sodankylä Geophysical Observatory; University of Oulu; Sodankylä Finland
3. SANSA Space Science; Hermanus South Africa
4. British Antarctic Survey (NERC); Cambridge UK
5. EISCAT Scientific Association; Kiruna Sweden
6. Department of Physics; University of Oulu; Oulu Finland