This is a WebSDR receiver, located on 1950m OSL

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

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

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g : Frequenzeingabe
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    

Frequenz:   kHz.    Mode: ?
Bitte gebe oben die Frequenz ein.                   
Or tune by clicking/dragging/scrollwheel on the frequency scale.



  Switch to another websdr server  

Maasbree NL Utah US Twente NL
Friedrichshafen DE Rion GR Makri GR


Memories are stored as cookies on your computer, not on the server.

Callsign lookup by    
Callsign lookup by    
QTH locator by QTH-Locator:   

Station information:

Mute Squelch High Boost
Notch1 Notch2


 DSP NR: More info here
  Waterfall view:  
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:


Call of station that you hear:


View the last 20 lines of the logbook,
or the entire logbook.

Dieser WebSDR wird derzeit besucht von ? user(s)       anonyme Ansicht

Diese Chatbox ist Bestandteil um über den WebSDR zu diskutieren.