Unknown 25kHz channel 800 MHz band

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Unknown 25kHz channel 800 MHz band
Ss (2016-01-12 at 10.55.58).jpg
Frequencies 850 MHz
Frequency Range 850 MHz - 850 MHz
Mode NFM
Modulation
ACF
Bandwidth 23 kHz
Location New York City
Short Description Strange 25 kHz 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)