G12
| Enigma ID | G12 |
| Name | NNN |
| Frequencies | |
| Status | Inactive |
| Voice | Female, automated |
| Emission mode | AM |
| Location |
Austria
|
| Activity pages |
G12 was operated by Austrian Army Intelligence Office (HNA).
Format:
| Preamble | Message | Outro | |
|---|---|---|---|
| "N" (dah-dit) | Gruppen 25 | 44919 44919 22261 22261 ... | Ende |
| Morse code | Amount of 5-figure groups in the message | 5-figure paired groups | |
| Repeated for 5 minutes | Repeated twice | ||
This station has used a few different voices, including Austrian German ones.
Times and frequencies from around 1991: (derived from Simon Mason's 1991 book Secret Signals)
| UTC | Frequency |
|---|---|
| 05:00 | 4021 kHz |
| 18:00 | 5880 kHz |
| 20:00 | 4054, 4545, 5425, 6765 kHz |
| 21:00 | 4021, 4054, 4545, 4925, 5177 kHz |
| 22:00 | 4021, 4545 kHz |