Many SWLs will use these receivers to compare what they are hearing at home with a receiver located closer to the suspected DX target signal. If you're interested in BCB capability, test some of the European ones to see if they can hear any TA signals around sunrise in Europe. The best way to determine any particular receiver's operating performance is to try it out using test target signals that might indicate good performance from that location. The antennas used seem to favor wideband loops, both large wire styles and smaller active versions as well as active e-probes.
Although most seem to cover 0-30MHz, I see at least one that is limited to the VHF range and several that don't go all the way to the bottom of the VLF band. As I write this, there are presently 199 receivers online! Any particular receiver can support a maximum of four users at a time so if the one you want is full, simply check back later or go to your second choice.Īlthough all receivers have the same appearance online, not all will offer the same performance.
There are a huge number of choices from all over the world available on the Kiwi network. Although it won't work with my ancient version of Internet Explorer running on Vista, it did fine with Firefox and even worked very well on my old I-Pad! Here is a 30-second YouTube video to give you an idea of what it looks like. It's all very slick and if you have never played with an SDR before, it affords a nice introduction to this amazing technology. just choose your receiver and away you go in a matter of seconds.
The network that I have explored several times and one that works nicely with most web browsers (no software to download or 'extras' required) is the SDR.HU network of Kiwi SDRs. Listening on a receiver that is running in another state, province or country can fulfill a number of functions for you, depending on your particular interest.
Online SDRs (Software Defined Radio) continue to grow in numbers and popularity.
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