Listen to Ham Radio Online with the ETGD WebSDR

I just discovered the fascinating Wide-band WebSDR operated by the amateur radio club ETGD at the University of Twente in the Netherlands.

websdr board

PA3FWM built a fascinating wideband SDR using a Xilinx FPGA, high-speed ADC and gigabit Ethernet interface to receive most of the entire shortwave and amateur radio bands at once and allow tuning and processing in software via an HTML5 or Java web browser.

websdr capture

I’m listening to a station on 9760 kHz right now, which is broadcasting what sounds like classical choral hymns and dialog in Italian and Latin, so it could be a Vatican shortwave broadcast station. The interface is easy to use, and right now 142 users are tuning in from around the world.

It’s definitely worth checking out. I like shortwave listening but even with a great converter and my RTLSDR, my location just isn’t optimal for receiving the kind of signals I’m interested in – this web option is a lot of fun to go exploring.

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One Response to Listen to Ham Radio Online with the ETGD WebSDR

  1. mikikg says:

    Heh, did’t see that before? That WebSDR is a “father” of all SDRs. PA3FWM made it almost perfect and 30MHz of BW is unbeaten 🙂

    There is an list on http://www.websdr.org with many similar receivers around the world which use same software in background but different SDR receivers and antennas. Such web based receivers are ideal for tracking signal propagation and its quality on different locations.

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