operating range : 37 phrases in 14 subjects |
Automobiles | 1 |
Aviation | 7 |
Communications | 1 |
Earth sciences | 2 |
Electronics | 5 |
Hydroelectric power stations | 6 |
Oil / petroleum | 1 |
Oil processing plants | 1 |
Piezoelectric crystals | 1 |
Skydiving | 1 |
Space | 3 |
Technology | 6 |
Telecommunications | 1 |
Wind Energy | 1 |