| |||
| signal de modulation; signal modulant | |||
| signal de programme | |||
|
sinal de programa : 7 phrases in 4 subjects |
| Communications | 3 |
| Electronics | 1 |
| Information technology | 1 |
| Video recording | 2 |
| |||
| signal de modulation; signal modulant | |||
| signal de programme | |||
|
sinal de programa : 7 phrases in 4 subjects |
| Communications | 3 |
| Electronics | 1 |
| Information technology | 1 |
| Video recording | 2 |