Error in the text: 1000mW laser with 532nm wavelength which is green light.
1000nm light is infrared.
Cross posted in https://lemmy.ca/post/64612634
this post was submitted on 09 May 2026
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I mean if they can track a car around the city using their cameras, they can probably do the same for a drone. Even if you fly up out of view they could look for drones in a radius flying down into view and connect the dots.
Resolution of those cameras is limited and they are usually angled down. Also they are not on private property. So it can be assumed that max detection rate of a average sized done is maybe 80m tops, after that the drone itself is smaller than a singular pixel of the cam. Meanwhile range of those drones can be multiple km.
If u had said they can use the integrated wide band SDR recordings of cell towers to triangulate the remote controller....i would have given u a point, but triangulating a drone using cameras that look down is not credible.
One of the big controversies is that these companies do have access to cameras on private property, using things like ring doorbell cameras.
And depending on conditions, you can still track the movement of something smaller than a pixel. Smaller than a pixel doesn't mean invisible, it affects the color of that pixel and you can track the movement of the disrupted pixel.
And you have to actually get close enough you the camera lens to damage it, so there is continuity; they're not just looking at a strange color pixel and leaping to the conclusion that it is a drone, they see the drone flying off into the distance (in reverse) and cross reference it with other cameras to track the movement at a distance.
It's a lot of effort, but protecting the investments of the wealthy is one of the only things that will mobilize both the finances of the wealthy and the actual effort of the police.