This is a WebSDR receiver, located 15km south of Sparti, GR, KM16FX. It is operated by SV3GCB, for news and status updates visit SDR's webpage, e-mail: sv3gcb@gmail.com
Best viewed with
. After upgrading to Version 103.0 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.
The receiver is RTL-SDR. Antennas: 40m G5RV | 80m λ/2 inv.v Dipole.
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).
Best viewed with
. After upgrading to Version 103.0 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.The receiver is RTL-SDR. Antennas: 40m G5RV | 80m λ/2 inv.v Dipole.
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.
It seems Java is not installed or disabled on your computer. You need to install and/or enable it for this website to work properly.
Since Java version 7u51, Java needs to be enabled separately for each website; see http://websdr.org/java.html for instructions.
Since Java version 7u51, Java needs to be enabled separately for each website; see http://websdr.org/java.html for instructions.
Your browser does not seem to support HTML5 WebAudio; please try a recent version of Firefox, Chrome, Opera or Safari; or switch to Java.
Guide
SV3GCB Sparta WebSDR
is currently being used by ? user(s)
Mobile Version
Default layout 
Waterfall 
Alternative GUI
Waterfall
Alternative GUI
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 |
![[scale]](smeter10h.png "dbm meter (blue) - dbμV meter (yellow)"){kind=small}
![[scale]](smeter10.png "S-meter")
Waterfall view:
Full window
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Or use scroll wheel and dragging on waterfall.
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| Speed: | ||
| Sizes: | ||
| View: | ||
Bandwidth:
? kHz @ -6dB;
? kHz @ -60dB.(? / ?)
Or drag the passband edges on the frequency scale.
| MODE: |
| IF shift: |
Audio:
Gain control:
AGC on
Manual
Signal strength plot:
| Audio buffering: | |
| Audio out: |
Gain
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: