The Eiðar longwave transmitter is a facility of the Icelandic Broadcasting Company used for longwave broadcasting on 207 kHz with a power of 100 kW. The Eiðar longwave transmitter situated at Eiðar near Egilsstaðir uses as antenna an omnidirectional aerial in the form of a steel lattice mast radiator insulated against the ground with a height of 221 metres.