“The AERIS-10 project aims to democratize radar technology by providing a fully open-source…” 

Someone on GitHub has built an open-source radar system capable of tracking multiple targets up to roughly 12 miles away, at a fraction of the cost that a major defense contractor would typically charge for a comparable system.

“Whether you’re a university researcher, a drone startup, or an advanced maker, AERIS-10 offers a platform for experimenting with beamforming, pulse compression, Doppler processing, and target tracking,” they added.

X user chiefofautism noted, “One person built what defense contractors charge a quarter million for and open-sourced it.”

https://www.zerohedge.com/military/can-only-imagine-what-fcc-has-say-open-source-military-radar-plans-appear-online