 |
| receivers: 418 phrases in 25 subjects |
| Antennas and waveguides | 1 |
| Chemistry | 1 |
| Communications | 102 |
| Earth sciences | 8 |
| Electronics | 186 |
| Environment | 1 |
| Finances | 5 |
| General | 11 |
| Hobbies and pastimes | 2 |
| Industry | 3 |
| Information technology | 30 |
| Law | 4 |
| Life sciences | 4 |
| Medical | 4 |
| Microsoft | 3 |
| Nuclear physics | 1 |
| Patents | 15 |
| Pharmacy and pharmacology | 1 |
| Procedural law | 3 |
| Radio | 21 |
| Statistics | 1 |
| Technology | 4 |
| Telegraphy | 3 |
| Telephony | 1 |
| Transport | 3 |