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.
Your browser does not seem to support HTML5 WebAudio; please try a recent version of Firefox, Chrome, Opera or Safari; or switch to Java.
View:


Frequency: kHz

Or tune by clicking/dragging/scrollwheel on the frequency scale.
Memories:
Bandwidth:
? kHz @ -6dB; ? kHz @ -60dB.
Or drag the passband edges on the frequency scale.
Waterfall view:
Or use scroll wheel and dragging on waterfall.
Size: View:


[scale]
? dB; peak ? dB;
mute squelch autonotch
Volume:
Signal strength plot:

This WebSDR is currently being used by ? user(s) simultaneously:      compact view
Statistics:
m/html