jgg     2012 32 (4):  51-56    ISSN: 0412-1961  CN: 21-1139/TG AN IONOSPHERIC OCCULTATION INVERSION TECHNIQUE BASED ON NON-CALIBRATED TEC Lin Jian 1,2) ;and Wu Yun 1,2) 1)Key Laboratory of Earthquake Geodesy,Institute of Seismology, CEA, Wuhan 430071;2)Wuhan Base of Institute of Crustal Dynamics,CEA Wuhan 430071 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null