Latitude Altitude Vertical If I ever need to confirm which is which, I use the the mnemonic above. I usually imagine latitude corresponding to rings on the

Latitude Altitude Vertical If I ever need to confirm which is which, I use the the mnemonic above. I usually imagine latitude corresponding to rings on the earth moving up and down along the surface. This image is triggered by thinking about "altitude" in the context of latitude for me. The latitude defines which of these "rings" the point is on. https://cdn.britannica.com/07/64907-050-7ACA69C8/Facts-parallels-Lines-of-Latitude-angles-direction.jpg https://cdn.britannica.com/07/64907-050-7ACA69C8/Facts-paral...