# Map of low‐frequency electromagnetic noise in the sky

> Research article (Geophysical Research Letters, 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W1885421644](https://www.wikidata.org/wiki/openalex:W1885421644)  
**Source**: https://4ort.xyz/entity/map-of-lowfrequency-electromagnetic-noise-in-the-sky