UVB-76/MDZhB-analysis of 'buzz' signal

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RX: RFT EKD 500 with 6 kHz - 100 Hz mechanical filter and very narow audio filter about 10 Hz for severaly signal.
Antenna: Mini Whip (PA0RDT), home made on 7 m. above ground, cca 20 m from building.
Software: for grapfics - ARGO 134, Spectran V2, SpectrumLab
sound: sound recorder on Win98 / (Win98-CPU 350MHz, 128MHz RAM only)
Handling signal on AdobePhotoshop and Wavepad
  1. s52ab
  2. S-28
  3. buzzer
  4. 4625
  5. kHz
  6. MDZhB
Рекомендации по теме
UVB-76/MDZhB-analysis of 'buzz' 0:02:06

UVB-76/MDZhB-analysis of 'buzz' signal

UVB 76 - 0:01:43

UVB 76 - MDZhB - ZhUOZ- The Buzzer malfunctioning? 10.05.2018, 08:30 UTC

Two buzzer messages! 0:04:47

Two buzzer messages! MDZhB/UVB-76/UZB-76

[RUS] UVB-76 (The 0:03:01

[RUS] UVB-76 (The Buzzer) Analysis || MLXJ Shortwave

UVB-76/MDZhB - report 0:24:58

UVB-76/MDZhB - report (PIP,marker 'R', RDL-18.1 kHz etc)

Uvb-76/MDZhB Oct 24 0:00:56

Uvb-76/MDZhB Oct 24 1:54UTC poor signal

UVB-76 Old tone 0:01:35

UVB-76 Old tone is back with test count

MDZhB Buzzing 0:01:58

MDZhB Buzzing

UVB 76 aka 0:00:35

UVB 76 aka MDZhB having weird interference

UVB-76 18th of 0:00:22

UVB-76 18th of Febuary 2020 (pitch note change)

What is UVB-76? 0:01:37

What is UVB-76?

Strange transmission over 0:00:42

Strange transmission over UVB-76 on 4625 kHz

[UVB-76, The Buzzer] 0:10:42

[UVB-76, The Buzzer] two breakdowns. 2. december 2019

UVB-76 - MDZhB 0:00:44

UVB-76 - MDZhB 'The Buzzer' Off the air & Unwell! 23-Dec-12 20:37 GMT

UVB-76 / MDZhB 0:00:51

UVB-76 / MDZhB / 94ZhT at ~05:00, 26.12.2012

Stereo Buzzer, MDZhB/UVB-76 0:03:44

Stereo Buzzer, MDZhB/UVB-76

UVB-76 Mystery Explained 0:09:13

UVB-76 Mystery Explained

UVB-76/MDZhB-nois figure of 0:10:58

UVB-76/MDZhB-nois figure of 'apocalypse'...

Strange Shortwave Radio 0:00:22

Strange Shortwave Radio Signal Oddity Findings #23 Russian Buzzer UVB 76 Heard In My Radio Very Weak

UVB-76/MDZhB-11 messages(from Dec.12.2010 0:12:50

UVB-76/MDZhB-11 messages(from Dec.12.2010 to Feb.18.2011)

UVB-76 MEDSESTRA, 24. 0:01:17

UVB-76 MEDSESTRA, 24. 11. 2014 15:50, 4625 kHz

UVB-76 The Buzzer 0:01:01

UVB-76 The Buzzer

Morse recorded on 0:02:25

Morse recorded on UVB-76 / MDZhB Radio

Weird Recording from 0:01:19

Weird Recording from UVB-76 (The Buzzer)

Комментарии
Автор

@danixvideos Thanks for your comment, Daniel !

sab
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Strange enough, the buzz timing is similar to the one of a telephone exchange. Imagine this: take an old analog telephone, one with the two bells and the little hammer in it. Remove the bells, or substitute the ringing apparatus with a buzzer (hehe). Now dial that number from another telephone connected to the same exchange and let it play forever. Put the buzzing phone near to an open microphone and voilà! You have "The Buzzer" hehe :)

rayburst
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I wonder when and if it could be decoded

ViddyOJames
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@Aviator14 ... no, this noise is transmiting signals. Good see this noise transmitting signals !!...

sab
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@linutas .. this is not shorthwave noise !

sab
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@mrmailmandudebro its just shortwave noise, i can hear a stanag there

LYAT
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@grayson2503 ... I don't quite follow you... what background sound ?...

sab
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Could the plane noise be the signal fading across somehow?

machiner
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what was that background sound at the end that sounds sort of like a plane landing over and over?

grayson
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@grayson2503 Background noise I believe.. If it was made in January/Feb this year it could be from solar radiation messing with the ionosphere. I could also be talking directly out of my ass though, fair warning :D

kmikl
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@rayburst ...Yours coment is interesting...hi

sab
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@machiner6 ...this is transmittings noise !

sab