Ascension Island Magnetometer 1-min Data in WDC Format

Ascension Island Magnetometer data, 1-min time resoluion, in WDC format. Magnetic Field Vector Element List: XYZF. Note that the list of magnetic field elements that appear in the data set may change over the course of time. For instance, many stations have shifted from DHZ to the XYZ representation of the magnetic field. The time history listed below summarizes changes in element content. A description of the WDC Data Exchange Format for 1-min magnetic field data is included at the end of this data product description.

升天岛磁力仪数据，时间分辨率为1分钟，采用WDC格式。磁感应场矢量要素列表：XYZF。请注意，数据集中出现的磁感应场要素列表可能会随时间而变化。例如，许多站点已从DHZ转换为磁场的XYZ表示。下述时间序列概述了要素内容的变更。本数据产品描述的末尾包含了WDC数据交换格式1分钟磁感应场数据的描述。