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 !!

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

splitting-expression
News:
23/09/2018 - We have TeamSpeak as well and work with: TeamSpeak3 Server Link If the link doesn't work server: ts.heppen.be:9978
22/07/2022 - As of today the Heppen WebSDR uses GUI code of the Maasbree WebSDR.
Don't be shy, please set your name or call in the box below, thanks.
This chatbox is intended to discuss the operation of the WebSDR or chat between other users, please keep it nice.
The operators of this site disclaim any responsibility for text appearing in this chatbox. It stores a cookie on your system only for this website that holds your name and call.

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View:
Allow keyboard:
j k ← →: freq down/up (+shift or +ctrl/alt)
b B: band up/down
u l c a f: USB, LSB, CW, AM, FM
z Z: center/zoom waterfall
g: enter frequency
m: toggle mute
s: toggle squelch
n: toggle notch


 AM:  160m:  80m:  40m:
 20m:  10m:


[scale]

? dBm   peak: ? dBm

 
  S-units

  === WebSDR Heppen ===



Volume:
  NR:

More info about Noise Reduction & High Boost here
 
Signal strength plot:

Frequency:
 
  Fine:

Or tune by clicking/dragging/scrollwheel on frequency scale.
Waterfall:
 
Or use scroll wheel and dragging on waterfall.
 
 
Speed  
View
Size

Modulation:
 
Bandpass:
 
  ?  kHz@-6dB   Pitch: ? ?  Hz
 
Or drag the passband edges on the frequency scale.
     ?  Hz   Ref. Tone
 
     ?  Hz
 
Memories:  

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