Navigation land and water?

[AuricTech]

If you're going to navigate using map and compass, there are two words that most people new to that skill often forget:

Declination diagram.

Here's a YouTube video that explains to what I'm referring:

 

[highdesertranger]

yeah Dave is great he also has videos on judging distance and height/elevation using simple geometry. 3,4,5. highdesertranger