Magnetospheric source region of discrete auroras inferred from their relationship with isotropy boundaries of energetic particles A. G. YahninV. A. SergeevS. Vennerstrem Original articles Pages: 943 - 958
Luminosity variations in several parallel auroral arcs before auroral breakup V. SafargaleevW. LyatskyV. Tagirov Original articles Pages: 959 - 966
Auroral precipitation fading before and at substorm onset: ionospheric and geostationary signatures K. KauristieT. I. PulkkinenM. Syrjasuo Original articles Pages: 967 - 983
Subauroral red arcs as a conjugate phenomenon: comparison of OV1-10 satellite data with numerical calculations A. V. Pavlov Original articles Pages: 984 - 998
Evidence of more efficient whistler-mode transmission during periods of increased magnetic activity N. R. ThomsonM. A. ClilverdA. J. Smith Original articles Pages: 999 - 1004
Some unusual discrete VLF emissions observed at a low-latitude ground station at Agra B. Singh Original articles Pages: 1005 - 1008
On the periodic variations of secondary cosmic rays and the geomagnetic Pc4 pulsations in BMAr I. M. MartinA. A. GusevG. I. Pugacheva Original articles Pages: 1009 - 1014
A 22-year cycle in the F layer ionization of the ionosphere E. FeichterR. Leitinger Original articles Pages: 1015 - 1027
VHF radar observations of turbulent structures in the polar mesopause region P. CzechowskyR. Rüster Original articles Pages: 1028 - 1036
The small-scale structure of VHF mesospheric summer echo layers observed at mid-latitudes D. A. HooperL. Thomas Original articles Pages: 1037 - 1047
A study of atmospheric gravity waves and travelling ionospheric disturbances at equatorial latitudes R. L. BalthazorR. J. Moffett Original articles Pages: 1048 - 1056
Determination of humidity and temperature fluctuations based on MOZAIC data and parametrisation of persistent contrail coverage for general circulation models K. M. GierensU. SchumannG. Zangl Original articles Pages: 1057 - 1066
Effects of convection instability due to incompatibility between ocean dynamics and surface forcings W. CaiP. C. Chu Original articles Pages: 1067 - 1075