Characteristics of propagated radio waves
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✎ Suggest a correctionat various frequencies; ground and sky waves, effect of ionosphere on sky waves; effects of favorable and unfavorable atmospheric conditions. eam- 41
Complete catalog record
Film number: TF 11-1632
Type: Motion Picture
Type: Motion Picture
Sources
- 3434 U.S. Government Films — title, length, format, description, catalog record
Record added 2026-07-13 14:19:16 · Suggest a correction