CIS-128

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CISCommonwealth of Independent States (CIS), the former Soviet Republic-128
CIS-128.jpg
Frequencies 3 MHzMegaHertz (MHz) 10^6 Hz3,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
3,000 kHzKiloHertz (kHz) 10^3 Hz
,30 MHzMegaHertz (MHz) 10^6 Hz30,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
30,000 kHzKiloHertz (kHz) 10^3 Hz
3,000 kHzKiloHertz (kHz) 10^3 Hz
MHzMegaHertz (MHz) 10^6 Hz
30,000 kHzKiloHertz (kHz) 10^3 Hz
30 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range MHzMegaHertz (MHz) 10^6 Hz3,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
3,000 kHzKiloHertz (kHz) 10^3 Hz
- 30 MHzMegaHertz (MHz) 10^6 Hz30,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
30,000 kHzKiloHertz (kHz) 10^3 Hz
Mode USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables)
Modulation PSKPhase-Shift Keying,OFDMOrthogonal Frequency-Division Multiplexing,QAMQuadrature Amplitude Modulation
ACFAutoCorrelation Function
Bandwidth 3100 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).3.1 kHzKiloHertz (kHz) 10^3 Hz
0.0031 MHzMegaHertz (MHz) 10^6 Hz
,6100 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).6.1 kHzKiloHertz (kHz) 10^3 Hz
0.0061 MHzMegaHertz (MHz) 10^6 Hz
3.1 kHzKiloHertz (kHz) 10^3 Hz
0.0031 MHzMegaHertz (MHz) 10^6 Hz
6.1 kHzKiloHertz (kHz) 10^3 Hz
0.0061 MHzMegaHertz (MHz) 10^6 Hz
Location Russia
Short Description CISCommonwealth of Independent States (CIS), the former Soviet Republic-128 is an OFDMOrthogonal Frequency-Division Multiplexing mode that uses 128 channels, with one “off” channel in the center, so the signal is divided into two 64 channel parts.
I/Q Raw Recording
Audio Sample
CISCommonwealth of Independent States (CIS), the former Soviet Republic-128 is an OFDMOrthogonal Frequency-Division Multiplexing mode that uses 128 channels, with one “off” channel in the center, so the signal is divided into two 64 channel parts. This mode has been seen using QAMQuadrature Amplitude Modulation and PSKPhase-Shift Keying of various modes. QAMQuadrature Amplitude Modulation-16, QAMQuadrature Amplitude Modulation-4, and QPSKQuadrature Phase-Shift Keying (2 bits per symbol) have been seen so far. Has a baudBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. rate of about 21 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. in each subchannel. Has been seen with CIS-3000 preluding the transmission.

Also seen in a 6 kHzKiloHertz (kHz) 10^3 Hz wideband mode, with double the baudBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. rate but still maintaining 128 channels and the center off channel.


Samples[edit]

QAMQuadrature Amplitude Modulation-16

QPSKQuadrature Phase-Shift Keying (2 bits per symbol)

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Decoding Software[edit]

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