Unknown 405p822

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Unknown 405p822
Unknown 405p822 Waterfall.PNG
Frequencies 405.822MHz405,822,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
405,822 kHzKiloHertz (kHz) 10^3 Hz
Frequency Range 405822000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).405,822 kHzKiloHertz (kHz) 10^3 Hz
405.822 MHzMegaHertz (MHz) 10^6 Hz
405822000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).405,822 kHzKiloHertz (kHz) 10^3 Hz
405.822 MHzMegaHertz (MHz) 10^6 Hz
Mode FMFrequency Modulation
Modulation Unknown
Bandwidth 1500Hz1.5 kHzKiloHertz (kHz) 10^3 Hz
0.0015 MHzMegaHertz (MHz) 10^6 Hz
1.5 kHzKiloHertz (kHz) 10^3 Hz
0.0015 MHzMegaHertz (MHz) 10^6 Hz
1.5 kHzKiloHertz (kHz) 10^3 Hz
0.0015 MHzMegaHertz (MHz) 10^6 Hz
Location Brisbane, Australia
Short Description Obvious bursts, unknown modulation. Long burst heard every 5-10 seconds on average. IQ file in description. First thought is some kind of trunking, as it is very close to the band where trunking radio is usually seen.
I/Q Raw Recording
Audio Sample

Obvious bursts, unknown modulation. Long burst heard every 5-10 seconds on average. IQ file in description. First thought is some kind of trunking, as it is very close to the band where trunking radio is usually seen.

Modulation is not obvious when FMFrequency Modulation demodulated bursts viewed in Audacity.


Check http://www.sigidwiki.com/wiki/Digital_Mobile_Radio_(DMR), Half slot TDMATime Division Multiple Access sample.

EDIT: I haven't been able to get DMR to decode, and it doesn't seem as evenly spaced as slotted DMR.

slotted DMR


--Cartoonman (talk) 05:13, 22 January 2016 (NZDT)

















Samples[edit]


IQ File

Frequencies[edit]

Found on 405.822MHz.