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  1. 03-07-2016, 13:14 #6
    ruthabagah
    ruthabagah is offline
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    Google earth.

    https://support.google.com/earth/answer/148134?hl=en

    there used to be a disclaimer though that their data was reliable with a 30 meter variance. I am not sure if it is still true.

    Edit: They use SRTM grid data. Depending of where you are the grid will be 30x30 m accuracy, up to 90x90 in some area. Basically: you can get a ballpark figure, but not an accurate measurement.
    Last edited by ruthabagah; 03-07-2016 at 13:21.
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