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système radio
UHF
| système radio | |
| telecom. | radio system |
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| radio system | |||
| système radio: 54 phrases in 10 subjects |
| Aviation | 13 |
| Communications | 24 |
| Earth sciences | 1 |
| General | 2 |
| Information technology | 1 |
| Navigation | 1 |
| Technology | 1 |
| Telecommunications | 4 |
| Transport | 6 |
| United Nations | 1 |