Items where Author is "Collis, P.N."

Collis, P.N. and Hargreaves, J.K. (1997) Co-ordinated studies using imaging riometer and incoherent scatter radar. Journal of Atmospheric and Solar-Terrestrial Physics, 59 (8). pp. 873-890. ISSN 1364-6826

Collis, P.N. and Hargreaves, J.K. and Howarth, W.G. and White, G.P. (1997) Joint imaging riometer - incoherent scatter radar observations: A four-dimensional perspective on energetic particle input to the auroral mesosphere. Advances in Space Research, 20 (6). pp. 1165-1168. ISSN 0273-1177

Collis, P.N. and Hargreaves, J.K. and White, G.P. (1996) A localised co-rotating auroral absorption event observed near noon using imaging riometer and EISCAT. Annales Geophysicae, 14 (12). pp. 1305-1316. ISSN 0992-7689