heuendn Flashcards
cut up horizontally -
circle of diameter
cut up anywhere -
circles which were smaller in diameter than central circle
vertical great circles-
circles of longitude (meridians of longitude)
is the angular distance from the equator -
latidude
latitude of the vertex of a great circle or the limiting
Latv
latitude of any point on a great circle
Latx
angular distance between the prime meridian and meridian of a point on the earth
longitude
longitude of the vertex
long v
longitude of any
long x
the meridian of london at greenwich
prime meridian
between two places is the angular length of arc of any meridian between their oarallels
dlat
between two places is the shorter arc of the parallel or the smaller angle
dlong
dlong same side
numerical difference
dlong opposite sides
numerical sum
length of the arc of a meridian between the equator and a given parallel on a mercator charr
meridional parts (MP)
dmp
subtraction if parallels are on the same side
also referred to as meridional difference
DMP
length of a line joining two places or positions
distance
north or south
prefix
east or west
suffix
point of greatest latitude on a great circle
vertex
arc of great circle between the points kf departure and arrival
great circle track
from a known position, it is the line along which a vessel is steered
course