CIS 3x144 VFT

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CISCommonwealth of Independent States (CIS), the former Soviet Republic 3x144 VFTVoice Frequency Telegraphy
CIS3x144bdtfc.jpg
Frequencies 3MHz3,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
3,000 kHzKiloHertz (kHz) 10^3 Hz
,30MHz30,000,000 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 FSKFrequency-Shift Keying
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
3.1 kHzKiloHertz (kHz) 10^3 Hz
0.0031 MHzMegaHertz (MHz) 10^6 Hz
3.1 kHzKiloHertz (kHz) 10^3 Hz
0.0031 MHzMegaHertz (MHz) 10^6 Hz
Location Russia
Short Description Three 144 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. FSKFrequency-Shift Keying signals in a 3100 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). VFTVoice Frequency Telegraphy bandwidth. Reportedly phased out.
I/Q Raw Recording
Audio Sample

Three 144 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. FSKFrequency-Shift Keying signals in a 3100 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). VFTVoice Frequency Telegraphy (Voice-Frequency Telegraphy) bandwidth. Reportedly phased out.

VFTVoice Frequency Telegraphy (Voice-Frequency Telegraphy), i.e. a technique that uses the entire voice-frequency range 300-3400 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). for sending multiple transmissions simultaneously over one voice-bandwidth radio channel so that the entire frequency bandwidth of the channel is used.


Samples[edit]

Standby Traffic
CIS3x144bdidle.jpg
CIS3x144bdtfc.jpg

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