Critical Issues in Ionospheric Data Quality and Implications for Scientific Studies

E. Araujo-Pradere, E. C. Weatherhead, P. B. Dandenault, D. Bilitza, P. Wilkinson, C. Coker, R. Akmaev, G. Beig, D. Burešová, L. J. Paxton, M. Hernández-Pajares, J. Y. Liu, C. H. Lin, J. B. Habarulema, V. Paznukhov