TY - JOUR A1 - Unnikrishnan, K. A1 - Saito, A. A1 - Otsuka, Y. A1 - Yamamoto, M. A1 - Fukao, S. T1 - Transition region of TEC enhancement phenomena during geomagnetically disturbed periods at mid-latitudes JO - Ann. Geophys. J1 - ANGEO VL - 23 IS - 11 SP - 3439 EP - 3450 Y1 - 2005/12/21 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/23/3439/2005/ L1 - https://angeo.copernicus.org/articles/23/3439/2005/angeo-23-3439-2005.pdf DO - 10.5194/angeo-23-3439-2005 ER -