WebSDR Receiver, Running by SA7SVR, e-mail: sa7svr@ssa.se - located in JKPG SWEDEN


The system composed of Antenna: Mini-Whip, and RTL-SDR RTL2832U v3 - PC: Raspberry 4b 8 GB



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Since Java version 7u51, Java needs to be enabled separately for each website; see http://websdr.org/java.html for instructions.
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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 SA7SVR WebSDR  is currently being used by ? user(s)      Mobile Version       Layout-A       Main GUI       New GUI      

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


TUNE:   

You can choose below some other friendly WebSDR Server !



  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.



Welcome to HELLAS Zone WebSDR Server - Enjoy your Stay 73 de SA7SVR !

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.




Server Statistics:


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

Layout Modified by - SA7SVR.