The Effects Of The Ionosphere On Radio Wave Propagation

Explains propagated radio waves, ground and sky waves, the effect of the ionosphere on sky waves and effects of favorable and unfavorable atmospheric conditions.
Complete catalog record
The Effects of the Ionosphere on Radio-wave Propagation (1950)

Includes a brief history of the electron microscope. Demonstrates the use and the importance of the electron microscope and the techniques in using it.

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Sources

  1. 16mm Filmography (legacy record) — title, year, format, sound, description
  2. usgov-av-1974 — title, year, creator, length, color, sound, description
  3. Internet Archive · record ↗ — title, year, creator, format, genre, description, video
  4. 16mm Filmography editors — catalog record, video