华盛顿特区电离层的特征，1938年6月

Proceedings of the Institute of Radio Engineers Pub Date : 1938-08-01 DOI:10.1109/JRPROC.1938.228548

T. R. Gilliland, S. S. Kirby, N. Smith

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摘要

关于普通波的临界频率和电离层的实际高度的数据在标题中指出的时期内提供。此外，还提供了通过常规层进行无线电传输的无干扰日的最高可用频率的月平均值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Characteristics of the Ionosphere at Washington, D.C., June, 1938

Data on the ordinary-wave critical frequencies and virtual heights of the ionospheric layers are presented for the period indicated in the title. The monthly average values of the maximum usable frequencies for undisturbed days, for radio transmission by way of the regular layers is also provided.

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Proceedings of the Institute of Radio Engineers

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