Channel Frequency
| Class
| channel frequency | |
| meteorol. | frecuencia de drenaje |
| Class | |
| pharma. | Clase |
| class | |
| gen. | categoria; cursillo; curso |
| ed. | asignatura; promoción |
| fin. | clase de opción |
| IT dat.proc. | clase de carácter |
| life.sc. | clase |
| |||
| frecuencia de drenaje | |||
|
Channel Frequency : 71 phrases in 9 subjects |
| Communications | 30 |
| Earth sciences | 2 |
| Electronics | 27 |
| Information technology | 4 |
| Mechanic engineering | 1 |
| Natural sciences | 1 |
| Power lines | 3 |
| Technology | 2 |
| Transport | 1 |