 |
| English thesaurus | |||
| |||
| Selective Co-operative Secondary Surveillance System (MichaelBurov) | |||
| Mode S: 30 phrases in 13 subjects |
| Aviation | 8 |
| Communications | 1 |
| Electrical engineering | 1 |
| General | 1 |
| Geophysics | 1 |
| Information technology | 3 |
| Makarov | 2 |
| Mathematics | 1 |
| Military | 1 |
| Programming | 2 |
| Quantum electronics | 1 |
| Technology | 7 |
| Telecommunications | 1 |