[1] North West Univ, Ctr Space Res, Potchefstroom Campus,Private Bag X6001, ZA-2520 Potchefstroom, South Africa
[2] Univ Oulu, Space Phys & Astron Res Unit, Oulu 90014, Finland
[3] Univ Oulu, Sodankyla Geophys Observ, Tahtelantie 62, Sodankyla 99600, Finland
[4] Univ Kiel, Inst Expt & Angew Phys, D-24118 Kiel, Germany
[5] South African Natl Space Agcy, POB 32, ZA-7200 Hermanus, South Africa
[6] Univ Alcala UAH, Dept Fis & Matemat, Campus Cient Tecnol Externo,Pza San Diego S-N, Madrid 28801, Spain
[7] Univ Alcala UAH, Dept Automat, Campus Cient Tecnol Externo,Pza San Diego S-N, Madrid 28801, Spain
[8] Univ Nacl Autonoma Mexico, Inst Geofis, Ciudad Univ, Mexico City 04510, DF, Mexico
[9] Deutsch Elektronen Synchrotron DESY, Platanenallee 6, D-15738 Zeuthen, Germany
[10] Ethiopian Space Sci & Technol Inst, Dept Space Sci & Applicat Res, Algeria St, Addis Ababa 33679, Ethiopia
[11] Univ Florence, Dept Chem Ugo Schiff, I-50019 Florence, Italy