Author Affiliations

Motoaki Yasui,¹ Kohei Mizutani,¹ Toshikazu Itabe,¹ Osamu Uchino,² Tomohiro Nagai,³ Toshifumi Fujimoto,³ Motowo Fujiwara,⁴ Takashi Shibata,⁵ and Masahiko Hayashi⁵

¹Communications Research Laboratory, 2-1, Nukui-Kita 4-chome, Koganei, Tokyo 184, JAPAN, Phone : +81-423-27-6896, 6955, 7546, Fax : +81-423-27-6667

²Japan Meteorological Agency, 3-4, Otemachi 1-chome, Chiyoda-ku, Tokyo 100, JAPAN, Phone : +81-3-3287-3439, Fax : +81-3-3211-7084

³Meteorological Research Institute, 1-1, Nagamine, Tsukuba, Ibaraki 305, JAPAN, Phone : +81-298-53-8582, Fax : +81-298-56-0644

⁴Department of Applied Physics, Fukuoka University, 19-1, Nanakuma 8-chome, Jonan-ku, Fukuoka 814-01, JAPAN, Phone : +81-92-871-6631 (ext. 6152), Fax : +81-92-865-6030

⁵Solar-Terrestrial Environment Laboratory, Nagoya University, Furoh-cho, Chikusa-ku, Nagoya, Aichi 464, JAPAN, Phone : +81-52-789-4302 (4305), Fax : +81-52-789-4301 (4306)