AMPERE rawdB Data (2021)

2021 AMPERE rawdB data. Measurements of geomagnetic field perturbations associated with Birkeland currents. Derived from Iridium spacecraft magnetometers. Data are stored in Earth-Centered Inertial (ECI) coordinates, with pseudo space vehicle identifiers, quality flags and exact times.2021年AMPERE原始dB数据。 本数据集包含与毕尔克兰德电流（Birkeland currents）相关的地磁场扰动测量结果，其数据源自铱星（Iridium）航天器搭载的磁强计。数据采用地心惯性（Earth-Centered Inertial, ECI）坐标系存储，附带伪航天器标识符、质量标志与精确时刻。