AB9IL.net: Live Internet SDR Server List

You can tune in shortwave or mediumwave radio around the world right now with these lists! When the SDR renders in your browser, it will be on the frequency and in the mode you selected, also with a consistent and reasonable filter bandpass for either single sideband or AM.

Specialty Online SDR Lists:
KiwiSDR Canada, KiwiSDR Australia and New Zealand, KiwiSDR India, Mediumwave WebSDR, HFGCS Military Comms

1. Simply enter a frequency, click a mode.
2. Click on a server to open a new tab and start listening as configured.
3. KiwiSDR list updates six hours; sorted for top 50 by snr.
4. KiwiSDRs on the OpenWebRX interface can tune anywhere from VLF through 30 to 32 MHz.
5. WebSDRs are limited to bands set up by the operator, depending on the hardware.
6. WebSDRs are manually updated as needed.
7. Search by city or country with CTRL - F.
8. Click to download Best KiwiSDR and WebSDR List [PDF].

See also the Skywavelinux SDR Map. Remember, though, that the map presents a full set, with both good and not-so-good servers plotted.

The software defined radio servers listed here have been selected for their reception quality. Performance and coverage vary depending on hardware, internet bandwidth, and radio conditions at individual sites. This is not an exhastive list, as server are excluded for low SNR. The list updates automatically, so be sure to bookmark it and come back often!

During peak operating periods, it may be difficult or impossible to use some of the sites. The KiwiSDRs have limited channels available. WebSDR servers can take more users, up to the point where CPU capability and internet bandwidth are limiting factors.

Software defined radio servers listed here are operated by volunteers, bearing their own expenses for the equipment and bandwidth. Be sure to do what you can to support those sites - linking to them, promoting them among your fellow radio listeners, and donating if they have set up a patronage process. To the server operators: we appreciate your effort! There are too many places in the world which lack good broadcast programming or are hampered by RF noise. What's more, there is something important in the ability for an average person, anywhere in the world, to access signals from places where "things are happening."

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