Assertion: coordinate system | /r/HasProperty | geocentric
Facets:
value: since the advent of satellite positioning
type: TEMPORAL
value: typically
type: DEGREE
Source sentences:
text: Since the advent of satellite positioning, such coordinate systems are typically geocentric: the Z-axis is aligned with Earth's (conventional or instantaneous) rotation axis.
text: The coordinate systems and transformations described on this page are all geocentric coordinates.