 |
| radar observations: 10 phrases in 5 subjects |
| Astronomy | 3 |
| Aviation | 1 |
| Meteorology | 3 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |
|
| radar observations: 10 phrases in 5 subjects |
| Astronomy | 3 |
| Aviation | 1 |
| Meteorology | 3 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |