jgg     2013 33 (6):  115-120    ISSN: 0412-1961  CN: 21-1139/TG

INVERSION OF TEMPORAL AND SPATIAL VARIATIONS OF 
IONOSPHERIC ELECTRON DENSITY BASED ON CMONOC GPS DATA
School of Geodesy and Geomatics, Wuhan University, Wuhan 430079
Received: 2013-07-25  Revised: null  Online: 2013-12-13
Supporting info