S05
| Enigma ID | S05 |
| Name | OLX |
| Frequencies | Between 3219 and 22910 kHz |
| Status | Inactive |
| Voice | Female, automated |
| Emission mode | AM |
| Location |
Czechoslovakia
|
| Activity pages |
S05 was operated by Czechoslovak State Security (StB) under an ITU-registered callsign "OLX" (though officially assigned to ČTK, the press agency) and allocated frequencies. The language was Czech. Replaced in early 1980s by S05a.
Null format:
| 061 |
| 3-figure ID |
| Repeated for 2 minutes |
Traffic format:
| Preamble | Message | Repeat | Outro | |||
|---|---|---|---|---|---|---|
| 424 | 73 | 57966 85288 30427 ... | Opakuji | 73 | 57966 85288 30427 ... | Konec |
| 3-figure ID | Amount of 5-figure groups in the message | 5-figure single groups | "[I] Repeat" | Amount of 5-figure groups in the message | 5-figure single groups | "End" |
| Repeated for 5 minutes | Repeated twice | Repeated twice | ||||