![Oh look, the sun’s movement around the earth [750x1334 - 1.21MB]](https://pic8.co/sh/OZWKTc.png){kind=link}
Nope. You use your altitude, you find your distance, and you input into an earth curve calculator. Sorry you are having trouble with this simple concept.
I’ve only got a section of a flat earth map, but you only need to use it to show how it doesn’t work, right?
Altitude is how far you are off the ground. (Read: from the ground) not from a fly on the wall. If you want fly on the wall third person perspective you cant use that instrument because it begs the very question that youre trying to answer.
Ok, so you are confused.
Your altitude is your height above sea level. For this purpose, have your phone at eye height for an accurate reading.
For your distance, you can use www.distance.co which gives you distance AS THE CROW FLIES, meaning from point A (your location) to point B (landmark location).
What does fly on the wall have to do with anything at all??
The other problem is the ''as the crow flies'' makes an assumption that it is the same as ''as the laser shoots.'' It is most certainly not.
Any app made on this planet is going to include the distortion of the ground it was measured from- whether flat or rounded. A laser shot does not have this problem but an app certainly does.
Ok. You do understand that ''at sea level'' is the very location that is being contested, right?
An observing fly-on-the-wall would be the final authority on whether or not the elevation was measured from flat or bulbous ground.
If 2 individuals over a vast distance take a measurement and see they are both 20 meters above sea level elevation that does nothing to determine where they are in relation to eachother.
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