| |||
| 1-frekvens-sekventielt selektivt kaldesystem | |||
|
sequential single frequency code system : 2 phrases in 1 subject |
| Communications | 2 |
| |||
| 1-frekvens-sekventielt selektivt kaldesystem | |||
|
sequential single frequency code system : 2 phrases in 1 subject |
| Communications | 2 |