I have made something at least similar. There is another post on my site about integrating live visualization with D3 as well. I found that the metadata perta

I have made something at least similar. There is another post on my site about integrating live visualization with D3 as well. I found that the metadata pertaining to signal strength to be too variable based on device manufacturer to be accurately used for a distance calculation without a lot of individual fine tuning or at the very least triangulation. Triangulation runs into its problems though because of the inaccuracies of usb timing. http://www.coderecon.com/pages/post_4 http://www.coderecon.com/pages/post_4