| |||
| поправка на распространение радиоволн над морем | |||
|
secondary phase factor : 4 phrases in 2 subjects |
| Navigation | 2 |
| Technology | 2 |
| |||
| поправка на распространение радиоволн над морем | |||
|
secondary phase factor : 4 phrases in 2 subjects |
| Navigation | 2 |
| Technology | 2 |