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Episode 198: Location location location, revisited
Android Developers Backstage
The Problem With Magnetic Compass Navigation in a New City
The real world has a lot of magnetic interference so like yeah if you're out in a park and you're for a hike and using magnetic compass you've got it. If we can get the power low enough that's gonna that's gonna improve as well. The other problem another sensor which is very useful is the accelerometerwhich at the courses level can be used to detect steps as you as you bounce around going forward but also could be used to determine acceleration.
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