| |||
| литер (in a drum/cylinder – барабана 4uzhoj) | |||
| номер частоты (ssn) | |||
|
frequency number : 28 phrases in 9 subjects |
| Astronautics | 2 |
| Electronics | 3 |
| High frequency electronics | 1 |
| Information technology | 8 |
| Makarov | 2 |
| Programming | 2 |
| Radioengineering | 2 |
| Technology | 6 |
| Telecommunications | 2 |