Radioteknicheskaya Systema Dalyoloiy Navigatsii (RSDN-20)

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Radioteknicheskaya Sistema Dal'ney Navigatsii (RSDN-20)
RSDN20.jpg
Frequencies 11.91 kHzKiloHertz (kHz) 10^3 Hz11,910 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.0119 MHzMegaHertz (MHz) 10^6 Hz
,12.04kHz12,040 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.012 MHzMegaHertz (MHz) 10^6 Hz
,12.09kHz12,090 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.0121 MHzMegaHertz (MHz) 10^6 Hz
,12.65kHz12,650 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.0127 MHzMegaHertz (MHz) 10^6 Hz
,14.88kHz14,880 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.0149 MHzMegaHertz (MHz) 10^6 Hz
11.91 kHzKiloHertz (kHz) 10^3 Hz
0.0119 MHzMegaHertz (MHz) 10^6 Hz
14.88 kHzKiloHertz (kHz) 10^3 Hz
0.0149 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range 11.91 kHzKiloHertz (kHz) 10^3 Hz11,910 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.0119 MHzMegaHertz (MHz) 10^6 Hz
- 14.88 kHzKiloHertz (kHz) 10^3 Hz14,880 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.0149 MHzMegaHertz (MHz) 10^6 Hz
Mode CWContinuous Wave
Modulation
ACFAutoCorrelation Function
Bandwidth 20 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.02 kHzKiloHertz (kHz) 10^3 Hz
2.0e-5 MHzMegaHertz (MHz) 10^6 Hz
0.02 kHzKiloHertz (kHz) 10^3 Hz
2.0e-5 MHzMegaHertz (MHz) 10^6 Hz
0.02 kHzKiloHertz (kHz) 10^3 Hz
2.0e-5 MHzMegaHertz (MHz) 10^6 Hz
Location Novosibirsk,Krasnodar,Khabarovsk;RUSSIA
Short Description Russian Hyperbolic Radio Navigation System. Presumed to be used for Russian submarines and aircraft in the northern hemisphere, possibly worldwide. These transmissions are likely the lowest man made frequencies in the world.
I/Q Raw Recording
Audio Sample

Video Examples[edit]

Additional Links[edit]

THE RUSSIAN VLFVery Low Frequency (3-30 kHz) NAVAID SYSTEM, ALPHA, RSDN-20 By Trond JACOBSEN, Halden (NORWAY) [1]