 |
| |||
| маркёрный радиомаяк | |||
| radio beacon marker: 18 phrases in 7 subjects |
| Airports and air traffic control | 3 |
| Astronautics | 1 |
| Aviation | 2 |
| Electronics | 4 |
| Nautical | 2 |
| Shipbuilding | 1 |
| Technology | 5 |
|
| |||
| маркёрный радиомаяк | |||
| radio beacon marker: 18 phrases in 7 subjects |
| Airports and air traffic control | 3 |
| Astronautics | 1 |
| Aviation | 2 |
| Electronics | 4 |
| Nautical | 2 |
| Shipbuilding | 1 |
| Technology | 5 |