Ionospheric data
Código CCN: 039895-0
| Χώρα: Não informado |
| Εκδότης: 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
|
| Θέμα: IONOSFERA |
| Numbering area: No. 1 (1944)-No. 85 (1951) |