Welcome! If you are new to the UTwente webSDR, this site provides quick, helpful instructions to get you started listening to shortwave radio online.
There are also answers to frequently asked questions, and additional resources.
Please use the links on the right to access the tutorials. →


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Shortwave radio enthusiasts around the world are fortunate to have access to a software-defined radio (SDR) hosted at the University of Twente, in the Netherlands. This is a shortwave radio which allows anyone with internet access to listen to whatever the radio's antenna can "hear." Each online user can tune the radio independently- but the time of day and atmospheric conditions will affect what the radio's antenna can pick up.
The exact location of the UTwente webSDR and its antenna are shown:



This page is not affiliated with the University of Twente, their amateur radio club, or the webSDR's owner/operator, PA3FWM. 
However, we are grateful for their continued time and support of the webSDR.

We are not able to troubleshoot any issues you might be experiencing.
If you have comments or concerns about the webSDR itself,
go to http://websdr.org/faq.html and contact PA3FWM via his posted email address.