signal detection: 67 phrases in 17 subjects |
Acoustics | 1 |
Astronautics | 1 |
Automated equipment | 5 |
Aviation | 1 |
Aviation medicine | 5 |
Diplomacy | 1 |
Electronics | 2 |
Geophysics | 2 |
High frequency electronics | 1 |
Makarov | 6 |
Military | 6 |
Oil / petroleum | 1 |
Programming | 1 |
Quantum electronics | 1 |
Radio | 15 |
Technology | 16 |
Telecommunications | 2 |