signal loss: 33 phrases in 14 subjects |
Antennas and waveguides | 1 |
Apollo-Soyuz | 1 |
Astronautics | 8 |
Aviation | 1 |
Computer networks | 1 |
General | 1 |
Geophysics | 1 |
Information technology | 2 |
Mass media | 3 |
Military | 4 |
Oil / petroleum | 1 |
Radio | 1 |
Technology | 2 |
Telecommunications | 6 |