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ground-wave : 67 phrases in 19 subjects |
| Antennas and waveguides | 6 |
| Astronautics | 1 |
| Aviation | 1 |
| Electronics | 11 |
| Geophysics | 1 |
| Makarov | 8 |
| Mass media | 1 |
| Metallurgy | 1 |
| Metrology | 1 |
| Military | 15 |
| Nautical | 1 |
| Navigation | 1 |
| Nuclear physics | 1 |
| Physics | 1 |
| Politics | 1 |
| Radio | 2 |
| Space | 2 |
| Technology | 10 |
| Telecommunications | 2 |