It is operated by SV3GCB, for news and status updates visit www.sv3gcb.gr, reports via e-mail: sv3gcb@gmail.com for more information about the WebSDR project visit www.websdr.org Our SDR is collaborated with SV3YY's. Many thanks for their precious help to SV1IT, SV2AMK & SV1BTL.
Antennas: 10m Vertical λ/2 (trials) | 20m Vertical λ/2 | 40m Full-Wave Square Loop (H-pol) | 80m λ/2 inv.V Dipole | 160m λ/2 Dipole (trials) | MW-AM "Mini Whip" | 2m VHF 3 elem/beam Heading North (V-pol). Receivers are RTL-SDR v.4.
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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     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:   


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

Station information:
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[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:  
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:
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