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Small drones are pretty quiet, especially once they reach altitude. It would be difficult or impossible to pick one up over the noise of wind, cars, lawn mowers
by rhinoceraptor 10y ago
Small drones are pretty quiet, especially once they reach altitude. It would be difficult or impossible to pick one up over the noise of wind, cars, lawn mowers or leaf blowers.
- astrodust 10y agoYou say that like it's impossible, but drones have a very particular pitch. If the Navy has sonar capable of finding submarines thousands of miles away in a very noisy ocean, there's technology that can do this. Maybe it's not inexpensive, but it's at least proven to exist.