Ruegen Island DL5KUD. From DXNews.com

DL5KUD will be active again from Ruegen Island, IOTA EU-057, in RSGB IOTA Contest, 24 – 25 July 2021, as DL5KUD.
He will be in SO 12 Hours CW LP Category.
Recent DX Spots DL5KUD
QSL via DL5KUD buro, ClubLog OQRS.

Ruegen Island. Author – Roland Lausberg.

Ruegen Island. Author – Zeqin Liang.

DL5KUD. Where is Ruegen Island located. Map.