Range rate : Doppler correlation for HF propagation in traveling ionospheric disturbance environmentsNICKISCH, L. J; HAUSMAN, Mark A; FRIDMAN, Sergey V et al.Radio science. 2006, Vol 41, Num 5, issn 0048-6604, RS5S39.1-RS5S39.9Article

Real-time reconstruction of the three-dimensional ionosphere using data from a network of GPS receiversFRIDMAN, Sergey V; NICKISCH, L. J; AIELLO, Mark et al.Radio science. 2006, Vol 41, Num 5, issn 0048-6604, RS5S12.1-RS5S12.7Article