| |||
| no-signal | |||
|
non-signal : 52 phrases in 9 subjects |
| Automated equipment | 3 |
| Communications | 10 |
| Electronics | 23 |
| General | 3 |
| Information technology | 5 |
| Research and development | 1 |
| Technology | 1 |
| Telecommunications | 1 |
| Transport | 5 |
| |||
| no-signal | |||
|
non-signal : 52 phrases in 9 subjects |
| Automated equipment | 3 |
| Communications | 10 |
| Electronics | 23 |
| General | 3 |
| Information technology | 5 |
| Research and development | 1 |
| Technology | 1 |
| Telecommunications | 1 |
| Transport | 5 |