We use a full-wave approach to find the field of monochromatic whistler waves, which are excited and propagating in the low nighttime ionosphere. The source current is located in the horizontal plane and can have arbitrary finite distribution over horizontal coordinates. The ground-based horizontal magnetic field and electric field at 125 km are calculated. The character of wave polarization on the ground surface is investigated. The proportion in which source energy supplies the Earth–ionosphere waveguide or flows upward can be adjusted by distribution of the source current. Received results are important for the analysis of ELF/VLF emission phenomena observed both on the satellites and on the ground.

中文翻译：

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低夜间电离层中单色电流产生的惠斯勒波

我们使用全波方法来寻找单色哨声波的场，这些波在低夜间电离层中被激发和传播。源电流位于水平面，可以在水平坐标上具有任意有限分布。计算了125公里处的地基水平磁场和电场。研究了地表波极化特性。源能量供应地球-电离层波导或向上流动的比例可以通过源电流的分布进行调整。接收到的结果对于分析在卫星和地面上观察到的 ELF/VLF 发射现象很重要。