Unlike traditional GPS, RTK-GPS doesn’t measure the delay between its signal and the the signal received by a satellite — instead it measures the shorter wavelengths in the satellite’s carrier signal. This can mean accuracies within one centimetre, but there are difficulties with aligning signals with RTK, and the need for multiple receivers makes the technology impractical for navigation. This is why the technology is most widely used in land surveying. If you would like to tinker around with one yourself, full instructions are available on the project page. [Project Page via Make]
Make Your Own Real-Time Kinematic GPS Receiver
Trending Stories Right Now
You'd assume that climbing to the top of a 60m tall wind turbine would give you all the privacy you could ever want for a relaxing afternoon nap. But then you remember that soon there will be more drones zipping across the skies than birds -- and that privacy might officially be a thing of the past.
It's almost the weekend, and that means you should book in another Gizmodo movie night. This week, pick out your favourite silenced pistol, sheath your matching butterfly knives and take a trip to Jack Rabbit Slims for that $5 milkshake -- these are the best cult action movies streaming around Australia right now.
Lost in all those superhero comic book flicks that hijack too many screens in movie theatres is how in preventing a villain from let's say, world destruction or universe domination, the superhero becomes responsible for a lot of damage to a city. Like seriously, cities get messed up. Imagine being a citizen of a world that has superheroes and like Superman just destroyed your apartment building. That would suck.