Building a Camera That Can See Wifi, Part 3 SUCCESS

What would it be like if our eyes could see more colors We may never be able to answer that, but we can build devices that can do the work for us. Over the last three weeks we ve been building a DIY radio telescope tuned to 2. 44 Ghz which is right in the middle of the wifi band. With it we hoped to take a picture of a building and see all the wifi routers inside it. This is the third part of the series and I m pleased to announce the project was a complete success If you haven t seen the first and second videos, I d highly recommend watching those first. Part 1: Part 2: This week we mapped the inside of the hackerspace (Foulab) I ve been working in and then stepped up to taking an image of the whole building. Not only were we able to see our router, we could see at least half a dozen others, and even one across a courtyard at least 100m away. The images were very large since they were full 360 degree panoramas, so t