Year: | 1948 |
---|---|
Document Type: | UIUU |
Issuing Agency: | U.S. Govt. print. off., |
SUDOC: | C 13.4:462 |
Series: | United States. National Bureau of Standards. Circular |
Report Number: | 462 |
Subjects: | Electric waves |
Radio waves | |
Atmosphere, Upper | |
Aeronomia | |
Links: | https://hdl.handle.net/2027/uiug.30112106923433 |
https://hdl.handle.net/2027/mdp.39015077295486 |