main carrier
| frequency
| main carrier | |
| commun. IT | onda portadora principal |
| Frequency | |
| pharma. | Frecuencia |
| frequency | |
| gen. | frecuencia |
| comp., MS | frecuencia |
| ecol. | frecuencia |
| forestr. | frequencia |
| nat.sc. life.sc. agric. | constancia |
| |||
| onda portadora principal | |||
| portadora principal | |||
|
main carrier : 6 phrases in 3 subjects |
| Communications | 3 |
| Electronics | 1 |
| Transport | 2 |