Unidentified data bursts on HF
From Signal Identification Wiki
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|---|---|
| Frequencies | 4.475 MHz,4.623 MHz |
| Frequency Range | 4.475 MHz - 4.623 MHz |
| Mode | USB |
| Modulation | unknown |
| ACF | — |
| Location | Worldwide |
| Short Description | Unknown data bursts on many HF frequencies, possibly from Russia |
| I/Q Raw Recording | — |
| Audio Sample | |
These data bursts have occurred on many HFHigh Frequency (3-30 MHz) frequencies. Possible origin is in Russia and these may be related to CIS OFDM-121, specifically the PSKPhase-Shift Keying 2400 baudBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. pre burst. If this is confirmed, then these samples can be moved to that article.
Samples[edit]
Frequencies[edit]
4475 kHzKiloHertz (kHz) 10^3 Hz
4623 kHzKiloHertz (kHz) 10^3 Hz
Other frequencies also used.
Additional Links[edit]
Additional Images[edit]
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