VEZHA-S

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VEZHA-S
RUS FSK COMMS.jpg
Frequencies 2755 khz2,755,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
2.755 MHzMegaHertz (MHz) 10^6 Hz
,12165 khz12,165,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
12.165 MHzMegaHertz (MHz) 10^6 Hz
2,755 kHzKiloHertz (kHz) 10^3 Hz
2.755 MHzMegaHertz (MHz) 10^6 Hz
12,165 kHzKiloHertz (kHz) 10^3 Hz
12.165 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range 2.755 MHzMegaHertz (MHz) 10^6 Hz2,755,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
2,755 kHzKiloHertz (kHz) 10^3 Hz
- 12.165 MHzMegaHertz (MHz) 10^6 Hz12,165,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
12,165 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 650 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.65 kHzKiloHertz (kHz) 10^3 Hz
6.5e-4 MHzMegaHertz (MHz) 10^6 Hz
0.65 kHzKiloHertz (kHz) 10^3 Hz
6.5e-4 MHzMegaHertz (MHz) 10^6 Hz
0.65 kHzKiloHertz (kHz) 10^3 Hz
6.5e-4 MHzMegaHertz (MHz) 10^6 Hz
Location Russia
Short Description Two-way 100 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second./500 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Russian Telegraph system, attributed name VEZHA-C (Tower-S), usage claimed to be by Russian Ministry of Communications (MinComSvyaz Rossii). Possible usage in meteorology under callsign RWD59.
I/Q Raw Recording
Audio Sample

Two-way 100 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second./500 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Russian Telegraph system, attributed name VEZHA-S (ВЕЖА-C, Tower-S), usage claimed to be by Russian Ministry of Communications (Минкомсвязь России). Possible usage in meteorology under callsign RWD59. This signal has always been seen transmitted with another identical signal at another frequency, so it works on a two-way communication network. It's periodic transmission behavior is suspected to be ARQAutomatic Repeat reQuestAutomatic Repeat Query between the two users. Reported to be a very old Soviet-era system.


Logs have been posted attributed to this signal:
5.440,00 RWD59 - Moskva RUS PTTPush To TalkPress to TransmitMinistries of Postal, Telephone, and Telegraph Service (Soviet Agency) RUS-ARQAutomatic Repeat reQuestAutomatic Repeat Query 100/500


Samples[edit]

Frequencies[edit]

This mode's frequency range is between 2755 kHzKiloHertz (kHz) 10^3 Hz and 12165 kHzKiloHertz (kHz) 10^3 Hz.

Additional Links[edit]


Additional Images[edit]