RETINA: Radio Echo Triangulation by Inter-Node Analysis

Existing FM radio transmissions act as illumination for low-cost passive rooftop radars. Long-range and accurate without powerful transmitters or FCC licenses needed. Connect to the network to triangulate radar hits from over 30km away.

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RETINA visualization
Hardware setup

~$200 in Hardware to Setup

Radar nodes consist of: 1) a single board computer w. accessories 2) Two software defined radios 3) Two FM antennas

Software interface

Open-source Radar Software

Nodes are preloaded with an OS and open-source radar package to record local objects' range and speed.

Data visualization

Servers Map Node Data

Nodes sends data to servers that plot radar tracks onto a global map. Data quality continually improves as overlapping nodes come online.

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Get in touch

To contact us, please email:

info [at] offworldnulllab [dot] com