1. Department of Electronic and Electrical Engineering; University of Bath; Bath; UK
2. CAESAR Consultancy; Cambridge; UK
3. Passive Upper Air Sensors R&D; Meteorological Office; Devon; UK
4. Scripps Institution of Oceanography; University of California, San Diego; La Jolla; California; USA
5. School of Earth and Environmental Sciences; University of Adelaide; Adelaide, South Australia; Australia
6. Geoscience Australia; Canberra, ACT; Australia
7. South African Astronomical Observatory; Cape Town; South Africa
8. British Geological Survey; Edinburgh; UK