Items where Author is "Ranta, A."

Journal Article

Manninen, J. and Kleimenova, N.G. and Kozyreva, O.V. and Ranta, A. (2002) High-latitude geomagnetic pulsation response to the passage of the front edge of the interplanetary magnetic cloud of January 10, 1997. Journal of Atmospheric and Solar-Terrestrial Physics, 64 (17). pp. 1855-1864. ISSN 1364-6826

Kleimenova, N.G. and Kozyreva, O.V. and Kauristie, K. and Manninen, J. and Ranta, A. (2002) Case studies on the dynamics of Pi3 geomagnetic and riometer pulsations during auroral activations. Annales Geophysicae, 20 (2). pp. 151-159. ISSN 0992-7689

Hargreaves, John K. and Ranta, A. and Annan, J. D. and Hargreaves, J. C. (2001) Temporal fine structure of nightime spike events in auroral radio absorption, studied by wavelet method. Journal of Geophysical Research, 106 (A11). pp. 24621-24636. ISSN 0148-0227

Ranta, H. and Ranta, A. and Hargreaves, J. K. (1999) Small-scale structure of ionospheric absorption of cosmic noise during pre-onset and sharp onset phases of an auroral substorm. Geophysica, 35 (1-2). pp. 45-57. ISSN 0367-4231

Ranta, H. and Ranta, A. and Hargreaves, J.K. and Browne, S. (1997) Localized absorption events in the afternoon sector. Journal of Atmospheric and Solar-Terrestrial Physics, 59 (8). pp. 891-902. ISSN 1364-6826

Hargreaves, J.K. and Browne, S. and Ranta, H. and Ranta, A. and Rosenberg, T.J. and Detrick, D.L. (1997) A study of substorm-associated nightside spike events in auroral absorption using imaging riometers at the South Pole and Kilpisjrvi. Journal of Atmospheric and Solar-Terrestrial Physics, 59 (8). pp. 853-872. ISSN 1364-6826

Ranta, H. and Ranta, A. and Yousef, S. M. and Burns, J. and Stauning, P. (1993) D-region observations of polar cap absorption events during the EISCAT operation in 1981–1989. Journal of Atmospheric and Terrestrial Physics, 55 (4-5). pp. 751-766.