Unknown 25kHz channel 800 MHz band

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Unknown 25kHz channel 800 MHzMegaHertz (MHz) 10^6 Hz band
Ss (2016-01-12 at 10.55.58).jpg
Frequencies 850Mhz850,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
850,000 kHzKiloHertz (kHz) 10^3 Hz
Frequency Range 850000000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).850,000 kHzKiloHertz (kHz) 10^3 Hz
850 MHzMegaHertz (MHz) 10^6 Hz
850000000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).850,000 kHzKiloHertz (kHz) 10^3 Hz
850 MHzMegaHertz (MHz) 10^6 Hz
Mode NFMNarrowband Frequency Modulation
Modulation
Bandwidth 23 kHzKiloHertz (kHz) 10^3 Hz23,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.023 MHzMegaHertz (MHz) 10^6 Hz
23 kHzKiloHertz (kHz) 10^3 Hz
0.023 MHzMegaHertz (MHz) 10^6 Hz
23 kHzKiloHertz (kHz) 10^3 Hz
0.023 MHzMegaHertz (MHz) 10^6 Hz
Location New York City
Short Description Strange 25 kHzKiloHertz (kHz) 10^3 Hz wide signal, possible trunking control or data.
I/Q Raw Recording Download file
Audio Sample

Strange 25 kHzKiloHertz (kHz) 10^3 Hz wide signal, possible trunking control or data. EDIT: It appears that TETRA has crossed the Atlantic ocean and has had deployments in New York City and New Jersey for the transit agencies (busses, trains, etc). This signal is very likely TETRA. --Cartoonman (talk) 15:17, 14 September 2017 (NZST)