SFAS Land Navigation Tips

!! Orientation & Coordinate Scale
Map Orientation
* Usually you orienting according to real life (instead of insisting on always putting North at the top. Orient it so you are walking in the direction you are reading)
* Understand Magnetic North, Grid North, and the G-M angle (which is "Add 8 degrees to go from Grid to Magnetic" for the Hoffman course)
Know and practice with the Coordinate Scale
[http://panoptic.com/rking/file/up/CoordinateScale.png]
* Grid lines, Right Then Up (!) (the 4-digit grid "26 81" means "grid line 26 to the East, line 81 to the North")
* Decimal place, Right Then Up (!) (the 6-digit grid "263 819" means "300 meters East of 26, 900 meters North of 81")
* Same goes for 8-digit grids ("2631 8192" ... "310 meters E, 920 meters North")
* Always make sure the Coordinate Scale is not flipped over or upside down (read the words at the top right)
* Line up the 0's as your crosshairs, ignoring the plastic (sometimes the triangle cutout is too small, sometimes it is too big, but either way you ignore it and reference the "0"s)
* Plot and re-check everything, like the carpenters' "Measure Twice, Cut Once".

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SFAS Land Navigation Tips