Unknown 458p208

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Unknown 458p208
Unknown 458p208.jpg
Frequencies 458.208 MHzMegaHertz (MHz) 10^6 Hz458,208,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
458,208 kHzKiloHertz (kHz) 10^3 Hz
Frequency Range 458208000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).458,208 kHzKiloHertz (kHz) 10^3 Hz
458.208 MHzMegaHertz (MHz) 10^6 Hz
458208000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).458,208 kHzKiloHertz (kHz) 10^3 Hz
458.208 MHzMegaHertz (MHz) 10^6 Hz
Mode ???
Modulation
Bandwidth 5 kHzKiloHertz (kHz) 10^3 Hz5,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.005 MHzMegaHertz (MHz) 10^6 Hz
kHzKiloHertz (kHz) 10^3 Hz
0.005 MHzMegaHertz (MHz) 10^6 Hz
kHzKiloHertz (kHz) 10^3 Hz
0.005 MHzMegaHertz (MHz) 10^6 Hz
Location Portugal near Lisbon
Short Description Transmitted all the time at roughly 458.208 MHzMegaHertz (MHz) 10^6 Hz (center frequency), in four distinct frequencies separated by about 12.5 KHzKiloHertz (kHz) 10^3 Hz. Each of the signals is roughly 5 KHzKiloHertz (kHz) 10^3 Hz in bandwidth. The signals are received in Portugal near Lisbon.
I/Q Raw Recording
Audio Sample

Description[edit]

I have the following signal in attachment, which is transmitted all the time at roughly 458.208 MHzMegaHertz (MHz) 10^6 Hz (center frequency), in four distinct frequencies separated by about 12.5 KHzKiloHertz (kHz) 10^3 Hz. Each of the signals is roughly 5 KHzKiloHertz (kHz) 10^3 Hz in bandwidth. The signals are received in Portugal near Lisbon. I have no clue what is the exact origin of this signal. Analysing carefully is seems that some of the bursts are slightly shifted in frequency and have varying intensities, suggesting that the channels are shared by several stations.