S10a
| Enigma ID | S10a |
| Name | |
| Frequencies | |
| Status | Inactive |
| Voice | Female, automated |
| Emission mode | AM |
| Location |
Czechoslovakia
|
| Activity pages |
S10a was presumably a null message format of S10b. Reportedly rarely heard.
Format:
| 555 | 555 | 555 | 000 | Konec, konec |
| Repeated for 5 minutes | ||||