 |
| communications surveillance: 49 phrases in 11 subjects |
| Astronautics | 3 |
| Aviation | 4 |
| Computer networks | 1 |
| General | 3 |
| High frequency electronics | 1 |
| Intelligence and security services | 1 |
| Military | 27 |
| NATO | 1 |
| Radiolocation | 1 |
| Security systems | 3 |
| Technology | 4 |
|
| communications surveillance: 49 phrases in 11 subjects |
| Astronautics | 3 |
| Aviation | 4 |
| Computer networks | 1 |
| General | 3 |
| High frequency electronics | 1 |
| Intelligence and security services | 1 |
| Military | 27 |
| NATO | 1 |
| Radiolocation | 1 |
| Security systems | 3 |
| Technology | 4 |