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    Re: GPS Anti-Spoof Accuracy
    From: Frank Reed
    Date: 2023 Nov 26, 10:48 -0800

    Bob Goethe,

    Two weeks ago, you wrote:
    "On my phone, GPS Anti-Spoof typically reports an error-ellipse of ± 4 meters.  Do others of you get a similar sized error ellipse?  Or is this driven by the quality of the GPS receiver in my particular model of phone?"

    That's typical. That's just the standard internal reporting from your phone's GPS service. It's not guaranteed, and the real accuracy could be different. It also depends on what the reporting systems means by this number.

    Do you have reason to suspect that there is something "wrong" with this number, or that the number doesn't quite make sense on your specific model of phone?

    Frank Reed

       
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