Funny. I am a pilot and I know the difference between magnetic North and true North. It’s like the first thing you learn in private pilot ground school. It also varies by region.
“It’s like the first thing you learn in private pilot ground school.”
And anybody who had to learn how to read a map in the military knows the correction is printed on every map with a graphic on how to apply the correction. We just think that technology like GPS has made us smarter when all it’s done is to remove some people’s ability to think.