# ECEF

> Earth-centered, Earth-fixed reference frame

**Wikidata**: [Q743590](https://www.wikidata.org/wiki/Q743590)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Earth-centered,_Earth-fixed_coordinate_system)  
**Source**: https://4ort.xyz/entity/ecef


## References

1. Freebase Data Dumps. 2013