communications procedures : 40 phrases in 13 subjects |
Astronautics | 4 |
Automated equipment | 1 |
Aviation | 3 |
Computer networks | 3 |
Computers | 3 |
Electronics | 2 |
General | 2 |
Information technology | 1 |
Mass media | 3 |
Military | 8 |
Programming | 3 |
Technology | 5 |
Telecommunications | 2 |