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| jgg
2014 34 (6):
76-80
ISSN: 0412-1961 CN: 21-1139/TG
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| SIMULATION AND INVERSION OF GNSS IONOSPHERIC OCCULTATION
OBSERVATIONS——THREE FREQUENCY |
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1）College of Surveying and Geo-informatics，Tongji University，Shanghai 200092
2）Key Laboratory of Modern Engineering Surveying，NASMG，Shanghai 200092 |
| Received: 2013-08-30 Revised: null Online: 2014-12-09 |
Supporting info
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