Trying to find how the Apple Watch Ultra has a better GPS than the other Apple Watches and found an article from The Verge that’s a good read. Original watches use the GPS L1 band and there is now a GPS L5 band that is starting to roll out but has not completely. The L5 band performs better in dense environments with tree cover or skyscrapers. Apple Watch Ultra combines the data from both bands, Wifi Signals and cell towers for better accuracy.

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