Numerical mapping of the continents for use in high-frequency skywave radio predictions.
Contributors: Institute for Telecommunication Sciences.
Series: United States. Dept. of Commerce. Office of Telecommunications. Telecommunications Research and Engineering Report -- 31
Publisher: Institute for Telecommunication Sciences
Published: 1972
Place of publication: Boulder, Co
Language: eng
Number of pages: 16
Subjects: Ionospheric radio wave propagation -- Charts, diagrams, etc.; Shortwave radio.
Genres: Charts, diagrams, etc.
Notes: At head of title: U. S. Dept. of Commerce. Office of Telecommunications. Institute for Telecommunication Sciences.

Includes bibliography.