Influence of geomagnetic activity on the occurrence of midlatitude ionogram recorded spread-F
The Use of a Solar Electrojet Propulsion System for Jupiter Satellite Injection
Tropospheric atmospheric gravity waves and their relationship with geomagnetic activity
Periodicities and spread-F associated with large-scale travelling ionospheric disturbances
Multiplicity of travelling disturbances in the nighttime mid-latitude F2-region ionosphere