FSK?
From Signal Identification Wiki
 | |
|---|---|
| Frequencies | 409.3 MHz |
| Frequency Range | 409.3 MHz - 409.3 MHz |
| Mode | NFM |
| Modulation | — |
| ACF | — |
| Bandwidth | 7.5 kHz |
| Location | Czechia |
| Short Description | It looks like some type of FSK signal on 409.300 MHz. Probably some telemetry. |
| I/Q Raw Recording | — |
| Audio Sample | |
