Sonde type id

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sonde type id
Sonde possible.JPG
Frequencies 404.771404.771 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.405 kHzKiloHertz (kHz) 10^3 Hz
4.04771e-4 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range 404 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.404 kHzKiloHertz (kHz) 10^3 Hz
4.04e-4 MHzMegaHertz (MHz) 10^6 Hz
404 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.404 kHzKiloHertz (kHz) 10^3 Hz
4.04e-4 MHzMegaHertz (MHz) 10^6 Hz
Mode nfm
Modulation
Bandwidth 8khz8,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.008 MHzMegaHertz (MHz) 10^6 Hz
kHzKiloHertz (kHz) 10^3 Hz
0.008 MHzMegaHertz (MHz) 10^6 Hz
kHzKiloHertz (kHz) 10^3 Hz
0.008 MHzMegaHertz (MHz) 10^6 Hz
Location southampton england
Short Description

while searching for sonde this came up used sonde monitor but didnt decode ? any idea what sonde type gives this waterfall pattern ?

23:15 to 00:30 gets strong then dies off so all consistant with sonde
I/Q Raw Recording
Audio Sample

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