Unknown FSK (4FSK)
From Signal Identification Wiki
 | |
|---|---|
| Frequencies | 4.924 MHz,4.98 MHz |
| Frequency Range | 4.924 MHz - 4.98 MHz |
| Mode | USB |
| Modulation | FSK,MFSK |
| ACF | — |
| Bandwidth | 1000 Hz,2.3 kHz |
| Location | Worldwide |
| Short Description | Unknown, short 4 tone FSK transmissions |
| I/Q Raw Recording | — |
| Audio Sample | |
Found these short FSKFrequency-Shift Keying transmissions near 5 MHzMegaHertz (MHz) 10^6 Hz. Saw these on other freqs too but didn't write down these frequencies.
First there is a beep, then some (probably FSKFrequency-Shift Keying) buzz and then it turns to 4 tone FSKFrequency-Shift Keying.
Samples[edit]
Frequencies[edit]
4.924 MHzMegaHertz (MHz) 10^6 Hz 4.980 MHzMegaHertz (MHz) 10^6 Hz
