# Q109493653
**Wikidata**: [Q109493653](https://www.wikidata.org/wiki/Q109493653)  
**Source**: https://4ort.xyz/entity/q109493653


## References

1. Swedish list of lights. 1978
2. [notice to mariners. 2010](https://www-o.sjofartsverket.se/upload/ufs/2010/Ufs%20325.pdf)
3. NGA List of Lights, Radio Aids and Fog Signals. 2012
4. [Fyrwiki](https://fyr.org/wiki/index.php/Sikn%C3%A4s_Storgrund)
5. [notice to mariners. 2006](https://www-o.sjofartsverket.se/upload/ufs/2006/Nr%20122.pdf)