This is a WebSDR receiver, located in Menzingen ZUG - Switzerland - JN47HE

Operated by Jean HB3XVQ, e-mail ==> Jean <==
Easylink is: ==>>

!! Beware when we are transmitting ourselves reception will be disturbed !!

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g : enter frequency
j k ← → : freq down/up (+shift/ctrl/alt faster)
u l c a f : USB, LSB, CW, AM, FM
n : snap frequency to nearest integer (.00) khz
z Z x X : zoom waterfall / Rx signal to Center
w W : narrower, wider
b : change band
m V v : mute, volume up/down
t T : VFOs: toggle A/B, set A=B

Brightness:       Contrast:                Signal ? dBm       Peak ? dBm       Noise ? dB       SNR ? dB

This ON5HB WebSDR  is currently being used by ? user(s)      Mobile Version     Zoomed layout      Waterfall       Alternative GUI    

Frequency:   kHz.    Mode: ?
Please enter the frequency above.                   
Or tune by clicking/dragging/scrollwheel on the frequency scale.



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Callsign lookup by    
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QTH locator by QTH-Locator:   

Station information:

Mute Squelch High Boost
Notch1 Notch2


 DSP NR: More info here
  Wasserfall Ansicht:  
Or use scroll wheel and dragging on waterfall.


  Bandwidth:          ? kHz @ -6dB; ? kHz @ -60dB. (? / ?)

IF shift:   

Or drag the passband edges on the frequency scale.

Audio buffering::
Audio out:           

Gain control: AGC on Manual

Signal strength plot:


Rufzeichen der gehörten Station:


Aufruf des letzten 20 Einträge des logbuchs,
oder das aufrufen des Logbuchs.

This WebSDR is currently being used by ? user(s) simultaneously      einfache Ansicht

Diese Chatbox dient der Diskussion des Betriebs dieses WebSDRs. Der Moderator ist für die Inhalte innerhalb der Chatbox nicht veantwortlich. Bitte Verhaltensregeln einhalten !!