# GRS 80

> reference ellipsoid

**Wikidata**: [Q1502880](https://www.wikidata.org/wiki/Q1502880)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Geodetic_Reference_System_1980)  
**Source**: https://4ort.xyz/entity/grs-80


## References

1. Freebase Data Dumps. 2013