I stopped in at my Mennonite neighbor's store to buy gas. He is outside and shoes me his drone.Checking in on vacation Bible school which is right next door to me and.5 miles from where we are. If the Mennonites having them I assume that any future conflict will have massive amounts of sensor and attack platforms. So now how to kill all cameras, deny spectrum and distrust any machine?
A tesla coil or Marx generator and a spinning coffee can and nails spark-gap generator mounted at the focus of on an old 1980's TVRO satellite dish would play hell with almost anything using a 2-way RF link that was not hardened to a military standard. Just letting the spark-gap transmitter run omnidirectionally would probably cause loss of comms for most all commercial/hobby drones within a hundred yards or so.
Jamming GPS, at least out to a radius or a "bubble" of at least a few hundred yards is stupid-easy. Get an oscillator at even just 1 Watt or even less on the proper frequencies, and it will drown out the very weak signals the GPS constellation puts out from 12,000 miles up or whatever it is. Add a few more frequencies if you're paranoid, and are worried it's an enhanced GPS unit that also listens for the signals from the incomplete Russian GLONASS constellation for increased accuracy. We're literally talking $20 or less in off the shelf hobbyist chips you can get from Digikey, and can program with a USB dongle from your PC to do this, a source of 12VDC, a prototyping breadboard and a few other components and wires that cost only pennies.
Also... 20-50 Watts of near-ir LED laser diode slaved to some simple sensors and a mirror on steering galvos could play hell with almost any cameras. And I could easily see it scanning the sky on low power at like 10mW in a LIDAR like mode looking for any kind of reflection or shaped return of the laser sweeps that could only be coming from a camera lens, (details are shady, but there's something like this the military already has that looks for the reflections of rifle scopes in combat zones) then it locks on and starts tracking at full power. It might not burn out the camera, but it could blind it as long as it's looking in the direction of the laser. There's an R&D curve here for sure, but I don't think it would be too hard for a pre-packaged consumer-like system being made out of that which isn't much bigger than your average security camera dome. This one I know I'm onto something plausible for sure, because when I chatted up birdman about it, he could not/would not discuss it with me.
Also, microphones listening for high RPM electric motor/propeller signatures, and video tracking against the sky is also pretty "easy". Go look at YouTube videos of kids that have made Nerf and Paintball "sentry guns" all DIY. If you're honeybadger enough to do it, no reason such a thing couldn't be mounted with a 12ga semi-auto full of high-brass goose loads if you really wanted to do it.
There's also a few startups claiming to be creating a turnkey system with sensors and anti-drones that watch/listen for paparazzi drones and then launch an interceptor drone with simply drops sticky string on them, and they hope to market it to wealthy people and movie stars etc.
In Europe, there's a team practicing with training falcons to intercept drones to protect airport airspace.
Of course ALL these ideas are highly illegal at a minimum to FAA aviation regs, FCC radio regs/laws, and FDA/FTC laser safety regs, but it's all pretty do-able. Especially the RF stuff. The RF stuff is things a hobbyist could easily turn out in a week of spare time if they have the skill. Maybe a month if they need to learn on the internet how to produce the needed electronics and program them.
As for holed up suspects now shooting at the bomb disposal robot. It might take a lot of shooting to do it, unless you're very quick, careful, and lucky to take out it's lights and cameras. IIRC, I can't find the video, but from a few years or a decade back, probably on one of those "WORLD'S CRAZIEST POLICE VIDEOS" cable TV clip shows. There was some sort of standoff with an older man on the 2nd story of his home, and the PD sent in the bomb robot just to get a visual, and try to talk with him, and on the video from the bomb disposal bot you could see he was pumping .30-30 from a lever gun into it at point-blank range without much effect. Although he might not have had any tech savvy to pick out things worth shooting at.
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