Experts| Latest Update Guaranteed Success
Chapter 1 Land Search and Rescue
specifics about light always carry extra batteries and bulbs and a second complete source of
light and never shine your light into someones eyes
what type of knife is better suited for SAR work an all-purpose leatherman type of knife
other tools may include a repair or sewing kit or hell box
criteria for selecting a pack intended use, different types of packs available, your body
structure
types of packs fanny pack, day pack, over night both internal frame and external frame
when packing a pack heavier items should be packed close to your back, frequently used
items in the outside pockets and least needed items at the bottom
Chapter 10 Navigation
agonic line the line along which a compass needle points to both true north and magnetic
north on which declination is zero
Contour imaginary line on the ground, all points of which are at the same elevation above or
below specified datum
contour line indicate the elevation of the terrain directly under the line
,close contour lines steep terrain
v shaped contour lines stream bed or narrow ridges
hatchures on a contour line depression
Contour interval difference in elevation between two adjacent contours. brown on a topo
map
Datum a reference system for computing or correlating the results of surveys. there are 2
principal datums vertical and horizontal.
Grid Network uniformly spaced parallel lines intersecting at right angles
UTM universal transverse mercator grid system dividing the world into 60 zones
isogonic line line joining points on the earths surface having equal magnetic declination as of
a given date
latitude Angular distance, in degrees, minutes and seconds of a point north or south of the
equator
longitude angular distance in degrees minutes and seconds of a point east or west of the
greenwich meridian
magnetic declination the angle difference between magnetic north and true north at the
point of observation found on a map
, from a map to the world you add declination of degree
from the world to the map you subtract declination of degree
meridian great circle on the surface of the earth that passes through the geographical poles
and any given point on the earths surface. all points on a given meridian have the same
longitude
parallell latitude a circle or approximation of a circle on the surface of the earth parallel to
the equator and connecting points of equal latitude
prime meridian meridian of longitude 0 degrees used as the origin for measurements of
longitude. the meridian of greenwhich, england is the internationally accepted prime meridian
quadrangle four sided area bounded by parallels of latitude that run east-west
relief elevations and depressions of the land or the sea bottom
section unit normally a quadrangle 1 mile square containing 640 acres
scale (map scale) ratio or proportion of the horizontal distance on the map to the
corresponding horizontal distance on the ground
topography configurations of the land surface, and its portrayal in a map
township unit normally a quadrangle 6 miles a side containing 36 sections
the travel arrow on a compass points the direction you are traveling