How does the drone know its exact elevation? GPS is only accurate within like 10... | Hacker News

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		nerfhammer on Oct 31, 2016 \| parent \| context \| favorite \| on: A Gamer Spent 200 Hours Building an Incredibly Det... How does the drone know its exact elevation? GPS is only accurate within like 10 meters

mlla on Oct 31, 2016 [–]

One option is to use Real Time Kinematics (RTK) GPS, which can provide accuracy close to few centimetres, see e.g. http://diydrones.com/profiles/blogs/navio-rtk-demonstration

nerfhammer on Oct 31, 2016 | [–]

Coool! Thanks.

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