 |
| radio observations: 28 phrases in 8 subjects |
| Astronautics | 1 |
| Astronomy | 5 |
| Medical | 1 |
| Military | 11 |
| Nautical | 1 |
| Physics | 3 |
| Technology | 5 |
| Telecommunications | 1 |
|
| radio observations: 28 phrases in 8 subjects |
| Astronautics | 1 |
| Astronomy | 5 |
| Medical | 1 |
| Military | 11 |
| Nautical | 1 |
| Physics | 3 |
| Technology | 5 |
| Telecommunications | 1 |