 |
| |||
| duración de un intervalo de recurrencia | |||
| duración de trama | |||
| frame time: 26 phrases in 11 subjects |
| Communications | 5 |
| Education | 1 |
| Electronics | 6 |
| Finances | 1 |
| General | 5 |
| Mechanic engineering | 1 |
| Microsoft | 1 |
| Power lines | 3 |
| Statistics | 1 |
| Telegraphy | 1 |
| United Nations | 1 |