 |
| |||
| modulación de grupo primario | |||
| modulation de groupe primaire: 10 phrases in 3 subjects |
| Communications | 5 |
| Electronics | 2 |
| Power lines | 3 |
|
| |||
| modulación de grupo primario | |||
| modulation de groupe primaire: 10 phrases in 3 subjects |
| Communications | 5 |
| Electronics | 2 |
| Power lines | 3 |