![]() It doesn’t have to be exact, but you want to at least know which country to look in. To start with, you should have a rough idea of where the signal is originating from. Indeed, the blog post claims this is the first time such capability has been put in the hands of the unwashed masses. If you’ve got a target in mind, and the time to fiddle around with the web-based SDR user interface, you now have access to the kind of technology that’s usually reserved for world superpowers. The RTL-SDR Blog has run a very interesting article wherein they describe how the global network of Internet-connected KiwiSDR radios can be used for worldwide radio direction finding. But thanks to the wonders of the Internet, at least the latter excuse is now a bit less valid. After all it’s not everyday that you need to track down a rogue signal, let alone have access to the infrastructure necessary to triangulate its position. Radio direction finding is one of those things that most Hackaday readers are likely to be familiar with at least on a conceptual level, but probably without much first-hand experience. ![]()
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