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首页> 外文期刊>Radio Science >Monitoring ionospheric irregularities in the southern auroral region by means of a satellite beacon
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Monitoring ionospheric irregularities in the southern auroral region by means of a satellite beacon

机译：通过卫星信标监测南部极光地区的电离层异常

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During 1984 total electron content (TEC) data were gathered from Melbourne, a mid-latitude station, and from Macquarie Island in the southern auroral zone, using the Faraday rotation of geostationary satellite signals. Large-scale fluctuations in the TEC due to auroral activity were observed from Macquarie Island, and some of these disturbances were seen to propagate towards Melbourne with speeds of 200 to 1,000 m/s. Large-scale rapid decreases in TEC were observed during the evening hours of about one third of autumn equinox days studied. These decreases occurred at a geomagnetic latitude of approximately 60°S and could be associated with the main ionospheric trough travelling through the ray path from the satellite to the receiving station.
机译：1984年期间，使用法拉第地球静止卫星信号旋转从中纬度站墨尔本和南极光区麦格理岛收集了总电子含量（TEC）数据。从麦格理岛观察到由于极光活动而引起的TEC的大范围波动，其中一些扰动以200至1,000 m / s的速度向墨尔本传播。在研究的秋分三分之一左右的晚上，观察到TEC的大规模快速下降。这些下降发生在大约60°S的地磁纬度处，并且可能与穿过卫星到接收站的射线路径的主电离层波谷有关。

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