WebSDR Operated by SV9CJO, e-mail: sv9cjo@gmail.com - located in Kreta, GREECE

The system composed of a "Loop" Antenna, - RTL-SDR RTL2832U v3 PC - Raspberry Pi3

More information about the WebSDR project can be found on - http://www.websdr.org.

Note: you need both Java and JavaScript enabled for this page to work properly.


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View:
Allow 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
Guide


Brightness:       Contrast:                Signal ? dBm       Peak ? dBm       Noise ? dB       SNR ? dB
This SV9CJO WebSDR  is currently being used by ? user(s)      Mobile Version     Zoomed layout       Waterfall       Alternative GUI    
Frequency:   kHz.    Mode: ?
TUNE:         
Please enter the frequency above.                   
Or tune by clicking/dragging/scrollwheel on the frequency scale.

TUNE:   

  Switch to another websdr server  

SA7SVR SV2AMK LU5DNP EM84an HELLAS ZONE
SV3YY1 SV3YY2 SV2YJ SV8FXN SV2HNH SV1RVL

  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:  
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: