The LORAN-C transmitter Rantum is a transmission facility for LORAN-C on the German island Sylt near the village Rantum at 54°48′30″N 8°17′37″E / 54.80833°N 8.29361°E / 54.80833; 8.29361.
It was established in the 1960s, initially using a guyed steel framework mast with a triangular cross section, approximately 190 metres tall.
The new mast is, as its forerunner, insulated from ground and has a triangular cross section.
The construction, weighing 65 tonnes (64 long tons; 72 short tons), is guyed in four levels at 60.52 metres (198.6 ft), 120.87 metres (396.6 ft), 154.95 metres (508.4 ft) and 190 metres (620 ft).
This article about a mast or transmitter tower in Europe is a stub.