A correction for the IRI topside electron density model based on Alouette-ISIS topside sounder data
International reference ionosphere 2000: Examples of improvements and new features
Online data base of satellite sounder and insitu measurements covering two solar cycles
CHAPTER 2. TOPSIDE PROFILE, TEC - Improving the Topside Electron Density Model for IRI
International Reference Ionosphere - Past, Present, and Future: I. Electron Density
Latitudinal variation of the topside electron temperature at different levels of solar activity