On this page you can listen to and control a short-wave receiver located at the amateur radio club ETGD at the University of Twente. In contrast to other web-controlled receivers, this receiver can be tuned by multiple users simultaneously, thanks to the use of Software-Defined Radio.
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.
Your browser does not seem to support HTML5 WebAudio; please try a recent version of Firefox, Chrome, Opera or Safari; or switch to Java.
Filter: ? kHz
squelch autonotch noise reduction
Audio recording
Your browser does not seem to support downloading the recording; please try a recent version of Firefox, Chrome or Opera.
? dBm; peak ? dBm
Waterfall zoom
Or use scroll wheel and dragging on waterfall.
Size:
small
medium
large
extra large
View:
spectrum
waterfall
Brightness:
More contrast
Full window width
"sticky"
Drag memories to reorder or delete.
![[trashcan]](http://websdr.ewi.utwente.nl:8901/trashcan.png)
Chatbox:
This chatbox is intended to discuss the operation of the WebSDR.
Please keep the discussion civil and polite; that also means no swearing ("four-letter words").
The operators of this site disclaim any responsibility for text appearing in this chatbox.
Please keep in mind this chatbox is shared with often hundreds of users; don't use it for chatter; use it ONLY for messages about the operation and use of this WebSDR, and about the signals received with it.
Station information:
Lookup in databases:
Advanced settings - only change these if you know what you're doing
Noise reduction level:
automatic
manual
Audio out:
left
both
right
Gain control: automatic manual limit
Hang time:
Gain: dB