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Is Starlink A Secret Radar Constellation? (www.youtube.com)
submitted 6 months ago by to c/tech@programming.dev
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[–] 4 points 6 months ago (1 child)

Yes. So is every broadcast sattelite with relatively predictable transmissions/positioning. Most of them aren't set up to parse return signals into radar information, but anything that transmits and receives from ~2ghz to ~18ghz is physically capable of being used as a radar. If you consider the existence of passive radar, every active transmitter in that frequency range already is acting as part of a radar

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    [–] 2 points 6 months ago (4 children)

    What the fuck even is a 'radar constellation'??

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  • [–] 3 points 6 months ago

    While the video is long he does a pretty good job of explaining how radar works. I was a radar tech in the USAF and some of it went over my head. Anyway the simple is the satellites shoot a signal down and it reelects back up to the antenna. All the satellites create a huge antenna array that can create 3d images of the ground in real time. Couple that with other types of data and we could be found just about anywhere at anytime.

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  • [–] 1 point 6 months ago*

    Wi-Fi 2.4-5 ghz is a decent radar spectrum.... These are technically microwaves. Radar often uses radio waves. Where one ends exactly and the other begins is arguable. They are neighbors in the electromagnetic spectrum.

    Depending on specific frequencies that you pick within their ranges you might be able to penetrate through certain objects, detect certain things based on absorption (water, bodies), etc.

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