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A comment on Gravimetric Radar: Gravity-Based Detection of a Point-Mass Moving in Static Back. Parent comment

Re:Gravimetric Radar: Gravity-Based Detection of a Point-Mas... by AlexGood on Friday October 23, 2020 @04:16PM (#24873547)
It sounds like some of the technologies made it into prototypes, and could be feasible in some applications. e.g. ship detection is more feasible than aircraft detection
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Re:Gravimetric Radar: Gravity-Based Detection of a Point-Mas... by PaulHoule on Friday October 23, 2020 @08:23PM (#24875813)
It's a perfectly good technology for finding the edges of continental plates, the heavy underground structures that trap oil, etc.

A nuclear submarine can navigate "port to port" entirely on inertial guidance and gravity gradiometry

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