Chinese-64 MFSK
From Signal Identification Wiki
| Chinese Modes | |
|---|---|
| HFHigh Frequency (3-30 MHz): Chinese 4+4 (Diplo) - PRC-16 (16x75) - Chinese 30-tone OFDM modem - Chinese-64 MFSKMultiple Frequency Shift-Keying *Inactive |
 | |
|---|---|
| Frequencies | 12.916 MHz,16.989 MHz,3.673 MHz |
| Frequency Range | 3.673 MHz - 16.989 MHz |
| Mode | USB,LSB (rare) |
| Modulation | MFSK |
| ACF | — |
| Emission Designator | — |
| Bandwidth | 2.5 kHz |
| Location | China |
| Short Description | Chinese Modem MFSK-64 |
| I/Q Raw Recording | — |
| Audio Sample | |
Characteristics[edit]
The signal is very structured. It starts with a 3.5 s sequence at 18.7 bauds that may always be the same, then the message. It ends with a 3.25 s sequence at 37.5 bauds with repeating elements, then again a 3.5 s sequence at 18.7 bauds (though symbols are not identical to the start sequence).
Frequencies[edit]
- 3673 kHzKiloHertz (kHz) 10^3 Hz
- 8781 kHzKiloHertz (kHz) 10^3 Hz
- 8787 kHzKiloHertz (kHz) 10^3 Hz (LSBLower Side Band Modulation)
- 12916 kHzKiloHertz (kHz) 10^3 Hz
- 16989 kHzKiloHertz (kHz) 10^3 Hz
Additional Images[edit]
Additional Samples[edit]
Video Examples[edit]
