Ionospheric data
Código CCN: 039895-0
| País: Não informado |
| Editor: U.S. Department of Commerce, National Bureau of Standards, Central Radio Propagation Laboratory |
| Imprenta:
Washington:
U.S. Department of Commerce, National Bureau of Standards, Central Radio Propagation Laboratory,
1944
|
| Assunto: IONOSFERA |
| Numbering area: No. 1 (1944)-No. 85 (1951) |