Is the AE Index a Valid Indicator of Solar Wind Power Input during Northward IMF?
Ionospheric Dynamics in the Central Polar Cap
Investigations of the Phase Speed and Spectral Width of High Latitude Plasma Irregularities
Intercomparison of TEC Obtained from the IRI Model to the One Derived from GPS Measurements
Insitu Measurements of T~e in the Lower Ionosphere-A Review
Influence of Collisional Heating on the Current Generation in Moving Mid-Latitude Sporadic E-Layers
Indications of Long-Term Changes in Middle Atmosphere Transports
Incidence of Extensive Plasma Density Depletions in the Lower F Region
HF-Doppler Diagnostics of Ionospheric Signatures of Neutral and Ionized Components Coupling
He Ion Dominance in the High-Latitude Upper Ionosphere as Observed in "Active" Experiment
Greenhouse Gases and Recovery of the Earth's Ozone Layer
Gravity Wave Activity in the Lower Ionosphere and in the F2 Region - Similarities and Differences
Es-Reflections in the Region of the Main Ionospheric Trough
Electron Density Structures in the Polar Cap Imaged by Ionospheric Tomography
Electric Field Disturbance in the Earth-Ionosphere Layer
Effects of Thermospheric Gravity Waves on the Polar Ionosphere
Effect of Earthquakes on Lower Ionosphere as Found by Subionospheric VLF Propagation
Effect of Convection Vortices on the Ionosphere