Latitudes And Longitudes Flashcards
1
Q
Geocentric latitudes
A
Measured at the centre of the earth from a line starting from the centre of the earth
2
Q
Geodetic latitude
A
Based on a line crossing the surface at 90*
May not be measured at the earths surface due to the shape of the earth
Used in charts
3
Q
Max difference between geocentric and geodetic
A
N45 and S45
4
Q
Meridians of longitude
A
Longitudinal angle between Greenwich and the current position
5
Q
Change of direction east and west
A
East = numbers increase
West = numbers decrease
6
Q
Change of longitude
A
Movement along a parallel of latitude
If the result of the added degrees = >180* subtract from 360*
7
Q
Anti meridian
A
A meridian that is complete opposite another e.g the anti meridian for Greenwich is 180*
