Abstract
Abstract Topside sounding from onboard the satellites is probably one of most powerful remote sensing techniques for ionospheric research. Two Russia (Soviet Union) satellites Intercosmos-19 and Cosmos 1809 gave opportunity to create the richest database on global distribution of the near-earth plasma. Some of major results from both missions are reviwed in the paper. We can mention among them the global longitudinal effect explanation and main ionospheric trough model creation including the trough dynamics during magnetic storms. The global reaction of the ionosphere on magnetospheric disturbances was studied also using as global mapping of the critical frequency, so the changes of the ionosphere vertical structure infered from the topside profiles. The fine wavy structure of the equatiorial anomaly was revealed from the topside sounding data as well.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
