Wonder what the accuracy is of the Dual Frequency Apple Watch Ultra and iPhone 14 Pro/Max?

  • L1 and L5 GPS, GLONASS, Galileo, QZSS, and BeiDou

Probably only sub-meter at this point? Won’t be long now for cm accuracy using just a smartphone etc.

Can an external antenna be connected for higher accuracy? i.e. via Bluetooth etc? Seems would have to be a direct hardwire connection. i.e. hack.

Apple Watch Ultra - Apple

Apple Watch Ultra - Technical Specifications (IN)

iPhone 14 Pro and iPhone 14 Pro Max - Apple

iPhone 14 Pro and 14 Pro Max - Technical Specifications - Apple

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Well, let’s see what the future brings, but right the antenna is probably not near good enough.

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