Possible APOC signal with multiple AFSK modulations

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Mixed AFSKAudio Frequency-Shift Keying POCSAG modes
APOC.PNG
Frequencies 454.475 MHzMegaHertz (MHz) 10^6 Hz454,475,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
454,475 kHzKiloHertz (kHz) 10^3 Hz
Frequency Range 454475000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).454,475 kHzKiloHertz (kHz) 10^3 Hz
454.475 MHzMegaHertz (MHz) 10^6 Hz
454475000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).454,475 kHzKiloHertz (kHz) 10^3 Hz
454.475 MHzMegaHertz (MHz) 10^6 Hz
Mode FMFrequency Modulation
Modulation AFSKAudio Frequency-Shift Keying
Bandwidth 10000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).10 kHzKiloHertz (kHz) 10^3 Hz
0.01 MHzMegaHertz (MHz) 10^6 Hz
10 kHzKiloHertz (kHz) 10^3 Hz
0.01 MHzMegaHertz (MHz) 10^6 Hz
10 kHzKiloHertz (kHz) 10^3 Hz
0.01 MHzMegaHertz (MHz) 10^6 Hz
Location Chicago, IL
Short Description a bunch of AFSKAudio Frequency-Shift Keying modulations all tied to linked POCSAG repeaters in Chicago all landing on this frequency. Not sure why though.
I/Q Raw Recording
Audio Sample

K, Ive gone a bit digging into this signal a bit more, its just AFSKAudio Frequency-Shift Keying POCSAG but with mixed modes in between, unfotuantely recorded from a radio scanner near southern Lake Michigan, the signal is best heard in Chicago and im assuming that AMS has this transmitter up somewhere.

Samples[edit]



Images[edit]

These were taken from a wireless microphone that transmits the same type of RFRadio Frequency carrier as this wouldve if I were to recieve it in Chicago. Ywsia1 2.PNG3.PNG