| |||
| LSFO (User) | |||
|
Low : 16 phrases in 7 subjects |
| Abbreviation | 10 |
| Computer networks | 1 |
| Meteorology | 1 |
| Military | 1 |
| NASA | 1 |
| Nuclear and fusion power | 1 |
| Security systems | 1 |
| |||
| LSFO (User) | |||
|
Low : 16 phrases in 7 subjects |
| Abbreviation | 10 |
| Computer networks | 1 |
| Meteorology | 1 |
| Military | 1 |
| NASA | 1 |
| Nuclear and fusion power | 1 |
| Security systems | 1 |