19 votes

Google used millions of Android phones to map the worst enemy of GPS--the ionosphere

1 comment

  1. updawg
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    Interestingly, they not only anonymized and aggregated the data, they also used the coarse location data, which is only accurate to within ~10 km. I wonder how granular the ionosphere and how much...

    Interestingly, they not only anonymized and aggregated the data, they also used the coarse location data, which is only accurate to within ~10 km. I wonder how granular the ionosphere and how much more useful this could be with more precise location data.

    6 votes