 |
| English thesaurus | |||
| |||
| A call sign provided primarily for visual signalling | |||
| visual: 93 phrases in 20 subjects |
| Agriculture | 5 |
| Analytical chemistry | 3 |
| Automated equipment | 1 |
| Commerce | 1 |
| Construction | 16 |
| Economy | 1 |
| Education | 1 |
| Electricity generation | 1 |
| Electronics | 1 |
| Environment | 2 |
| Forestry | 2 |
| General | 2 |
| Lighting other than cinema | 13 |
| Medical | 3 |
| Microsoft | 19 |
| Radiobiology | 2 |
| Scientific | 1 |
| Telephony | 1 |
| Transport | 17 |
| Welding | 1 |