jgg     2013 33 (2):  120-123    ISSN: 0412-1961  CN: 21-1139/TG

INVERSION OF IONOSPHERIC ELECTRON DENSITY BASEDON CHAPMAN FUNCTION
1)College of Geomatics, Shandong University of Science and Technology, Qingdao 266510
2) Chinese Academy of Surveying & Mapping, Beijing 100830
Received: 2012-05-27  Revised: null  Online: 2013-04-18
Supporting info