Your car doesn't do mag north. It does True North. Big difference. Anon did maps and aviation stuff for a living for a bit. There are standard deviations for Mag vs. True. Depending on where you are.
Your car doesn't do mag north. It does True North. Big difference. Anon did maps and aviation stuff for a living for a bit. There are standard deviations for Mag vs. True. Depending on where you are.