This is a WebSDR receiver, located in Heppen - Belgium - JO21oc - 70m ASL.

Operated by Bas ON5HB and Marian ON3MS, e-mail ==> Bas and Marian <==
Easylink is: ==> http://websdr.heppen.be>

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

Best viewed with . After upgrading to Version 103.0 you have to click on "Audio Start". If you wish to configure your browser to NOT require the need to press this button and allow audio/video to start automatically on ANY web site, read this Guide.

Please support this project with a small donation so we can buy better receivers, receivers are real expensive:


It seems you are using a mobile device; click here to switch to the mobile version of this site.
It seems Java is not installed or disabled on your computer. You need to install and/or enable it for this website to work properly.
Since Java version 7u51, Java needs to be enabled separately for each website; see http://websdr.org/java.html for instructions.
Your browser does not seem to support HTML5 WebAudio; please try a recent version of Firefox, Chrome, Opera or Safari; or switch to Java.

View:
Keyboard:
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      Default layout       Waterfall       Alternative GUI    

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


TUNE:   


Admin

  Switch to another websdr server  

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


  Memories  

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



Callsign lookup by     qrz.com:    
Callsign lookup by qrzcq.com:    
QTH locator by QTH-Locator:   

Station information:
[scale]
[scale]


Mute Squelch High Boost
Autonotch
Notch1 Notch2

Volume:

 DSP NR: More info here
  Waterfall view:     Full window
Or use scroll wheel and dragging on waterfall.

Speed:
Sizes:  
View:   

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

MODE:   
IF shift:   

Or drag the passband edges on the frequency scale.


Audio buffering::
Audio out:           

Gain control: AGC on Manual
Gain:

Signal strength plot:


  Logbook:  

Call of station that you hear:


Comments:

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



This WebSDR is currently being used by ? user(s) simultaneously      compact view

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.




Statistics: