Modified Tomographic Estimation of the Ionosphere using the set of adequate basesDec 1, 2004·Youngho SohnChangdon Kee· 0 min readLast updated on Dec 1, 2004 AuthorsYoungho SohnPh.DAuthorsChangdon KeeProfessor Emeritus← Integer Ambiguity Search Technique Using Separated Gaussian Variables Dec 1, 2004Automatic Control of Unmanned Aircrafts Using a Single-Antenna GPS Receiver Nov 1, 2004 →