SRF Example

• A common spatial reference frame is a combination of a:

  • Specification of the Earth Reference Model (ERM) (e.g., an ellipsoid with specific parameters), and a
  • Right-handed Cartesian coordinate system in a specific relationship to the “center” or origin, and rotational plane (equator) and axis of the ERM.

One specific binding of (1) a right-handed Cartesian coordinate system to (2) the rotational plane (equator), prime meridian, and rotational axis (via the north pole) of an ERM. Point P is then a location defined with respect to that coordinate system.

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