Unknown 33p075 low VHF band data signal

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Unknown 33p075 low VHF band data signal
Low vhf wiggles.png
Mode NFM
Modulation Unknown (FSK?)
Bandwidth 17 kHz
Location Europe/Worldwide
Short Description Unknown data signal on the low VHF band
I/Q Raw Recording Download file
Audio Sample

This signal can be received in northern Europe when conditions are good for low VHFVery High Frequency (30-300 MHz) skip propagation. Source is unknown.

The sample presented here may be an idling pattern. Sometimes this can be seen transmitting longer bursts of data.


Sample in USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) mode


Low VHFVery High Frequency (30-300 MHz) band. At least these frequencies have been identified:

30000 kHzKiloHertz (kHz) 10^3 Hz

31575 kHzKiloHertz (kHz) 10^3 Hz

32325 kHzKiloHertz (kHz) 10^3 Hz

33075 kHzKiloHertz (kHz) 10^3 Hz

36320 kHzKiloHertz (kHz) 10^3 Hz

36425 kHzKiloHertz (kHz) 10^3 Hz

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