1. Space Environment Research Center; Kyushu University; Fukuoka Japan
2. Department of Mechanical and Electrical Engineering; Tokuyama College of Technology; Yamaguchi Japan
3. Department of Earth and Planetary Science; Kyushu University; Fukuoka Japan
4. IPS Radio and Space Services; Haymarket, New South Wales Australia
5. Australian Antarctic Division; Department of Environment, Water, Heritage and the Arts; Kingston, Tasmania Australia
6. Institute of Cosmophysical Researches and Radio Wave Propagation; Paratunka Russia
7. Institute of Cosmophysical Research and Aeronomy; Yakutsk Russia
8. Manila Observatory; Quezon City Philippines
9. Johns Hopkins University Applied Physics Laboratory; Laurel Maryland USA
10. Faculty of Education; Yamaguchi University; Yamaguchi Japan