| 1 | The diurnal variations, semiannual and winter anomalies of the ionospheric TEC based on GPS data in China显示文摘With the spherical harmonic (SH) function model and the dual frequency GPS P code phase data from the Crustal Movement Observation Network of China (CMONOC) during the period from year 2000 to 2002, time series of total electron content (TEC) in the area of China is calculated. The diurnal variations, semiannual, and winter anomalies of the ionosphere in the area of China are analyzed and discussed, especially according to the results of year 2001. | HUOXingliang YUANYunbin OUJikun WENDebao LUOXiaowen | 2005 | Progress in Natural Science:Materials International2005，15，1： | 6 |
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