At what height do navigation compasses stop working?

Navigation: Unlocking your mountain confidence

Why does a compass give different directions for different heights? I placed it on the ground and it gave me a different direction of a place. I brought it to my chest

At what altitude do compasses cease to work? : r/askscience

How to Use a Compass: Compass/Map Navigation

How far up would you have to go for a compass to stop working? - Quora

Did some tests of the treasure compass to get an approximate range. I did some other tests about compass center and height. : r/Genshin_Impact

How to Use a Compass [EASY Step-by-Step Tutorial] – Greenbelly Meals

Shop Navigation Compass Orienteering Compass Scout Compass Hiking Compass With Adjustable Declination For Map Reading Expedition, Navigation,

Navigation Compass Orienteering Compass Scout Compass Hiking Compas

Gyrocompass - Wikipedia

How to Read a Topo Map - Backpacker

A Beginner's Guide To Map & Compass Navigation - We Are Explorers

Learn How To Use A Map And Compass

How a compass works: your trusty magnetic guide