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Quality control of Ebro magnetic observatory using momentary values

机译:使用瞬时值的埃布罗磁性天文台的质量控制

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Intercomparison of momentary values from observatories across Europe can be used as a test of reliability for a particular magnetic station in this area, as well as the whole network. The method presented by Voppel at the IAGA Assembly of Grenoble (1975) and developed by Schulz and Voppel at the IAGA Assembly of Edinburgh (1981) is based on simultaneous measurements taken at 02:00 UT, which coincides with the period least disturbed by Sq associated currents on central European longitudes. A selected list of ten least disturbed days per month is provided by the Niemegk (initially Wingst) Geomagnetic Observatory which gathers the corresponding momentary values from the collaborating institutions. This method can be applied to detect fluctuations or jumps in geomagnetic standards. Independent techniques, like linear regression and axial intercept of the standard deviation of the mutual differences of monthly mean values, have been applied to the magnetic elements of Ebro Observatory (EBR) for the period 1997-2001. These tools give results in good agreement amongst them, and most of the coefficients are similar to those obtained for the most significant observatories of the network. No jumps or trends in data are observed, indicating excellent performance of EBR.
机译:来自欧洲各地天文台的瞬时值的比对可以用作对该地区特定电磁台以及整个网络可靠性的测试。 Voppel在1975年IAGA格勒诺布尔大会上提出的方法,以及Schulz和Voppel在1981年IAGA大会在爱丁堡IAGA大会上提出的方法,是基于在世界标准时间02:00进行的同时测量,这与受Sq干扰最小的周期一致中欧经度上的相关电流。 Niemegk(最初是Wingst)地磁观测站提供了每月十次最少干扰天的选定列表,该站点从合作机构收集相应的瞬时值。该方法可用于检测地磁标准中的波动或跳跃。 1997-2001年期间,独立技术(如线性回归和月均值相互差异的标准偏差的轴向截距的轴向截距)已应用于埃布罗天文台(EBR)的磁性元件。这些工具使结果在它们之间具有很好的一致性,并且大多数系数与从网络上最重要的观测站获得的系数相似。没有观察到数据的跳跃或趋势,表明EBR的出色性能。

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