This is a WebSDR receiver, located 15km south of Sparti, GR, KM16FX, Laconia, Peloponnese Greece.
It is operated by SV3GCB, for news and status updates visit SDR's webpage, e-mail: sv3gcb@gmail.com
Antennas: 40m λ/2 inv.V Dipole | 80m λ/2 inv.V Dipole | 160m Inverted "L" (under development). The receiver is RTL-SDR.
Best viewed with . 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.
Precious help from SV2AMK. Many thanks to Mehmet Ozcan NA5B for his excellent work with colorized waterfall and BAS ON5HB for his Airspy drivers. Alternative layout based on RW3PS's template, is also available. You can try it here.
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. If you don't hear anything, probably Java is disabled or its version is too old (i.e., pre-1.4.2).


It seems you are using a mobile device; click here to switch to the mobile version of this site.
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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:
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

SV3GCB Sparta 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:   


Admin


  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:  
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.




SV3GCB Sparta 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: