| |||
| segnale modulante | |||
|
modulating : 32 phrases in 8 subjects |
| Chemistry | 2 |
| Communications | 5 |
| Electronics | 10 |
| Information technology | 2 |
| Mechanic engineering | 3 |
| Medical | 4 |
| Power lines | 5 |
| Technology | 1 |
| |||
| segnale modulante | |||
|
modulating : 32 phrases in 8 subjects |
| Chemistry | 2 |
| Communications | 5 |
| Electronics | 10 |
| Information technology | 2 |
| Mechanic engineering | 3 |
| Medical | 4 |
| Power lines | 5 |
| Technology | 1 |