WebSDR TEST

This WebSDR is under (re-) construction and sometimes without any rf signals. So please be patient and keep being curious what's coming up next.
If you experience problems (sound, waterfall) please read the FAQs first http://www.websdr.org/faq.html
or click this button
WEBSDR.org Manual (DE) Technical background (DE)
Connected users: ?
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Since Java version 7u51, Java needs to be enabled separately for each website; see http://websdr.org/java.html for instructions.
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Show:
Allow keyboard:

Speed:
Height:
View:
S-Meter RX

[scale]
? dB peak? dB

Volume:    
S-Meter squelch:
  
kHz

? ? ? ? ? ?

Bands
26.5 - 28.5 50 - 51.5 144 - 146 430 - 432 438 - 440



Zoom view
Or use scroll wheel and dragging on waterfall.

Bandwidth / Mode
? kHz @-6dB      ? kHz @-60dB.
Brightness:

More contrast
Memories:
This WebSDR is currently being used by ? user(s) simultaneously:      compact view
Logbook:
Call of station that you hear:    Comments, if any:
Note: time, frequency, your name/call, and DXCC information are added automatically.

View the last 100 lines of the logbook, or the entire logbook (ctrl-click for new tab/window).
Chatbox:
This chatbox is intended to discuss the operation of the WebSDR.
The operators of this site disclaim any responsibility for text appearing in this chatbox. Please do not be surprised if the chat is empty after restarting the service. Unfortunately, it is not an error.

Audio out:
left both right
Noise reduction level:
VarNoth:
Audio recording:
Admin notes:
Statistics:
Uptime:
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Flag Counter added: 2022-03-11