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| A communication system, using digital codes, which sends alerts automatically over MF, HF and VHF marine radios | |||
| Digital: 35 phrases in 10 subjects |
| Abbreviation | 11 |
| Computer networks | 1 |
| Information technology | 8 |
| Metrology | 1 |
| Microsoft | 2 |
| Military | 2 |
| Programming | 1 |
| Stock Exchange | 1 |
| Telecommunications | 7 |
| Trademark | 1 |