geodesy
science of the geometric shape, orientation in space, and gravitational field of Earth
Great Trigonometric Survey
19th-century survey to measure the Indian subcontinent
country surveying
surveying a whole country
satellite geodesy
geodesy by means of artificial satellites
geographic coordinate conversion
overview of GPS conversion formulas
space geodesy
subclass of geodesy
applied geodesy
subdiscipline of geodesy
higher geodesy
subdiscipline of geodesy
Principal Triangulation of Great Britain
First trigonometric survey of Britain