| |||
| frequência de transposição | |||
|
shift frequency : 38 phrases in 6 subjects |
| Communications | 9 |
| Earth sciences | 1 |
| Electronics | 19 |
| Information technology | 3 |
| Technology | 1 |
| Telegraphy | 5 |
| |||
| frequência de transposição | |||
|
shift frequency : 38 phrases in 6 subjects |
| Communications | 9 |
| Earth sciences | 1 |
| Electronics | 19 |
| Information technology | 3 |
| Technology | 1 |
| Telegraphy | 5 |