机译:Global TEC maps based on GNSS data: 1. Empirical background TEC model
Bulgarian Acad Sci, Natl Inst Geophys Geodesy & Geog, Sofia, Bulgaria;
total electron content; empirical model; forcing from above and below; GNSS; TOTAL ELECTRON-CONTENT; IONOSPHERIC MAPS; POLAR IONOSPHERE; LOW-LATITUDE; VTEC MAPS; SOLAR; SIMULATION; NETWORK; REGION; MIDDLE;