Mazielka (X06)

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Mazielka (X06)
X06.jpg
Frequencies 4963 kHzKiloHertz (kHz) 10^3 Hz4,963,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
4.963 MHzMegaHertz (MHz) 10^6 Hz
,23458 kHzKiloHertz (kHz) 10^3 Hz23,458,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
23.458 MHzMegaHertz (MHz) 10^6 Hz
4,963 kHzKiloHertz (kHz) 10^3 Hz
4.963 MHzMegaHertz (MHz) 10^6 Hz
23,458 kHzKiloHertz (kHz) 10^3 Hz
23.458 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range 4.963 MHzMegaHertz (MHz) 10^6 Hz4,963,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
4,963 kHzKiloHertz (kHz) 10^3 Hz
- 23.458 MHzMegaHertz (MHz) 10^6 Hz23,458,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
23,458 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 MFSKMultiple Frequency Shift-Keying
ACFAutoCorrelation Function
Bandwidth 200Hz0.2 kHzKiloHertz (kHz) 10^3 Hz
2.0e-4 MHzMegaHertz (MHz) 10^6 Hz
0.2 kHzKiloHertz (kHz) 10^3 Hz
2.0e-4 MHzMegaHertz (MHz) 10^6 Hz
0.2 kHzKiloHertz (kHz) 10^3 Hz
2.0e-4 MHzMegaHertz (MHz) 10^6 Hz
Location Russia
Short Description Mazielka (X06) is a diplomatic selcall system used by the Russian Ministry of Foreign Affairs. Used to alert that a Serdolik transmission is going to occur soon, usually on a different frequency.
I/Q Raw Recording
Audio Sample
Mazielka (X06) is a diplomatic selcall system used by the Russian Ministry of Foreign Affairs. Used to alert that a Serdolik transmission is going to occur soon, usually on a different frequency. Has only 6 tones, representing numbers 1 through 6, and transmits the same 5 number group repetitively.

The name "Mazielka" comes from a Russian instrument that sounds similar to flute, the sound of which early listeners associated with X06.

There are a few variants in which this signal can be seen in.

  • X06a is a variant of X06 that sends two alternating tones, and can last for hours. This is most likely a testing pattern.
  • X06b is a variant of X06, where the tone sequences feature consecutive tones. Mostly two or three consecutive tones in a sequence are observed, but rarely there are sequences which only feature a single tone.
  • X06c is a variant of X06 where the tone sequence is a continuous rising pattern. This is also considered to be a testing pattern.

X06 is usually found transmitting on single upper side band with a full carrier, but it has been seen transmitting on DSBDual Side Band Modulation/AMAmplitude Modulation on occasion as well as in single upper side band without a carrier.

Samples[edit]

X06a X06b X06c
X06a.png
X06b.jpg
X06c.jpg

Old X06 Variant
X06 old.jpg

Another sample of X06.

Frequencies[edit]

The list of frequencies can be seen here.

Decoding Software[edit]

Video Examples[edit]

Additional Links[edit]

Additional Images[edit]