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In this case, it is not so much tracking things by their own transmissions, but by their reflection of ambient radio (here, broadcast TV.) https://spectrum.iee
by mannykannot 4y ago
In this case, it is not so much tracking things by their own transmissions, but by their reflection of ambient radio (here, broadcast TV.)
https://spectrum.ieee.org/passive-radar-with-sdr https://spectrum.ieee.org/passive-radar-with-sdr (thanks to dmw_ng and snake_doc for the link.)
- notanote 4y agoPreviously discussed here: https://news.ycombinator.com/item?id=33333009 https://news.ycombinator.com/item?id=33333009
- mannykannot 4y ago17 days from the HN front page to being shut down.
- eskaytwo 4y agoIt would have been the IEEE article that got the attention
- masklinn 4y agoOh that's cool, so it's a radar using ambient radio as illuminator?
- samus 4y agoIndeed, it's so cool that it has military applications and gets restricted as a result.