Numerical maps of foEs for solar cycle minimum and maximum
By: [by] M. Leftin, S.M. Ostrow [and] C. Preston
Contributors: Ostrow, Sidney Maurice, 1916-; Preston, C
Series: United States. Environmental Science Services Administration Technical report -- ERL 73-ITS 63
Publisher: Institute for Telecommunication Sciences.
Published: 1968
Place of publication: Boulder, Colo
Language: eng
Number of pages: 89
Subjects: Solar activity -- Charts, diagrams, etc; Ionospheric radio wave propagation
Genres: Charts, diagrams, etc
Notes: Bibliography: p. 15-16