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A comment on Gatwick drones: Two arrested over flight disruption. Parent comment

Re:Gatwick drones: Two arrested over flight disruption by prawn on Saturday December 22, 2018 @05:52AM (#18740042)
I assume most can fly without GPS. I can launch either of my Mavics without GPS and fly free, or it can try to use visuals to maintain location.

I've flown within a cave without GPS. The drone drifts and can't really hold position reliably, but it works:

https://www.instagram.com/p/BoayncJgAOO/

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Re:Gatwick drones: Two arrested over flight disruption by jsjohnst on Saturday December 22, 2018 @08:18AM (#18740452)
Sure, I’ve flown many times without GPS too, but if one is jamming 1575.42 MHz, it’s a simple matter to do the same for 2.4ghz and 5ghz that’s used for the drone to remote link.
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Re:Gatwick drones: Two arrested over flight disruption by lucb1e on Saturday December 22, 2018 @10:19AM (#18740891)
But we were talking about not controlling it so they can't jam your controller signal. Sure you can fly manually...
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Re:Gatwick drones: Two arrested over flight disruption by NickNameNick on Saturday December 22, 2018 @08:22AM (#18740467)
Which is great, but the parent post was describing autonomous navigation and disposable drones as a way for a drone operator to evade capture.
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