MAP READING AND COMPASS USE Flashcards
- Is a flat and graphic representation, drawn into scale, of a portion of Earth’s surface as seen
from above
MAP
TYPES OF MAP
POLITICAL MAP
MILITARY MAP
ECONOMIC MAP
TOPOGRAPHIC MAP
CLIMATE MAP
PARTS OF MAP
TITLE
SCALE
COMPASS ROSE
LEGEND
What the map is, on the top of the map
TITLE
- Tells you how to read the distance on the map.
SCALE
Shows the directions on the map
COMPASS ROSE
- Lists each symbol and explains what it shows on the map
LEGEND
- 4 Cardinal points (North, South, East, and West).
- Further divided in 16 divisions.
- Each division is approximately 22.5 mils or 500 mils.
MAP DIRECTION
The direction of the Earth’s North Pole, which is 90
degrees north. The North Pole star is directly above the North Pole.
TRUE NORTH
- The direction of the Earth’s magnetic pole, i.e. the
direction in which the needle of the compass point.
MAGNETIC NORTH
- The direction of the vertical grid line called eastings.
GRID NORTH
- Is a navigation and orientation instrument that shows direction relative to geographic
directions.
COMPASS
For mountaineering this is the commonly use in navigation.
PROTRACTOR COMPASS
is a method of synchronizing the lines & direction of a map and the compass to
have a defined direction to navigate
ORIENTEERING A MAP
ORIENTEERING A MAP
Lay down the map flat on surface, place the compass over the map.
* Place the compass hair line in line with the grid line.
* Rotate the map until the compass north is in line with grid line.
* Locate the direction of navigation with the direction arrow.
Method use in identifying own location:
- Resection
- By known line and distance from known feature.
- By known line and azimuth from known feature.
Method use in identifying Other Location:
- Intersection
- By azimuth and distance.
method of locating one’s position on a map by determining grid azimuth to at
least well-defined locations that can be pinpointed on the map.
RESECTION
– method of locating an unknown point by successively occupying at least two
(better three) known positions on the ground and then map sighting on the unknown
location. Used to locate distant or inaccessible points.
INTERSECTION
defined as a horizontal angle measured clockwise from a
north base line.
AZIMUTH
Building Fire Procedure
- GATHER - Tinder, kindling and fuel together.
- BUILD - The fire by adding kindling wood to the burning tinder and adding fuel to the fire as it grows.
- TINDER - From dead twigs found on the lower branches of trees and shrubs that snap off easily when
bent. Never use branches or woods that are still green in color. - KINDLING - Should be dry. Don’t gather wet woods from the forest floor. Look for branches that are
dead and down, not on the tree. - FUEL - Should be dry, split larger wood if possible and a good sized stack on hand before you light the
fire.