We received a data file that has altitude listed, but the format is unexpected. Here is the format:


Is there any altitude measurement like this? Or is this possibly a conversion gone wrong?

  • 3
    Have you asked whomever you received it from?
    – Matt
    Dec 20, 2022 at 22:09
  • 4
    Even a scanning electron microscope isn't going to report coordinates to the covalent radius of a sulfur atom (in meters). Ob-xkcd xkcd.com/2170
    – Vince
    Dec 20, 2022 at 22:36
  • Could be a nodata value but it's unusual to use decimal and all nodata value should have the same value...
    – J.R
    Dec 21, 2022 at 7:48
  • Could it be just a unit and/or reference problem like an altitude relative to some reference point and expressed in millimeter. If so the only person able to answer your question is the data producer
    – J.R
    Dec 22, 2022 at 16:36


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