 |
| |||
| 低中频 | |||
| |||
| 低频/中频 | |||
| 低频一中频 | |||
|
low medium frequency : 13 a las frases, 6 temas |
| Aviación | 3 |
| Defensa aérea | 1 |
| Electrónica | 3 |
| General | 3 |
| Geofísica | 2 |
| Radio | 1 |
|
| |||
| 低中频 | |||
| |||
| 低频/中频 | |||
| 低频一中频 | |||
|
low medium frequency : 13 a las frases, 6 temas |
| Aviación | 3 |
| Defensa aérea | 1 |
| Electrónica | 3 |
| General | 3 |
| Geofísica | 2 |
| Radio | 1 |