| |||
| frecuencia patrón | |||
| frecuencia de calibración | |||
|
calibration frequency : 6 phrases in 3 subjects |
| Electronics | 4 |
| Technology | 1 |
| Transport | 1 |
| |||
| frecuencia patrón | |||
| frecuencia de calibración | |||
|
calibration frequency : 6 phrases in 3 subjects |
| Electronics | 4 |
| Technology | 1 |
| Transport | 1 |