>> inertial, ... A nice discussion of inertial navigation capability (https://news.ycombinator.com/item?id=10752294 https://news.ycombinator.com/item?id=107522

>> inertial, ... A nice discussion of inertial navigation capability (https://news.ycombinator.com/item?id=10752294 https://news.ycombinator.com/item?id=10752294): Consumer grade MEMS ...are not sufficient for intertial navigation, ... At around the $2K-30K you get systems that can provide accurate navigation for up to 2 minutes or so. Aviation grade IMUs ... maximum horizontal position drift of 1.5km in the first hour of operation. These will run 100K and up.