TY - JOUR A1 - Endo, M. A1 - Fujii, R. A1 - Ogawa, Y. A1 - Buchert, S. C. A1 - Nozawa, S. A1 - Watanabe, S. A1 - Yoshida, N. T1 - Ion upflow and downflow at the topside ionosphere observed by the EISCAT VHF radar JO - Ann. Geophys. J1 - ANGEO VL - 18 IS - 2 SP - 170 EP - 181 Y1 - 2000/02/29 PB - Springer Verlag SN - 1432-0576 UR - https://angeo.copernicus.org/articles/18/170/2000/ L1 - https://angeo.copernicus.org/articles/18/170/2000/angeo-18-170-2000.pdf DO - 10.1007/s00585-000-0170-3 ER -