Technical Data
The light characteristic is "F WRG", i.e. a continuous light, coloured white, red or green depending on the bearing of the lighthouse. The light is emitted by a 2000 Watts Xenon lamp. On low visibility conditions a foghorn sounds a signal, the Morse code letters "AL" with an intervall of one minute.
On the tower a number of additional navigational and meteorological devices are installed next to the optics. Directional antennae and a radar serve as means of security in the Weser approach while an anemometer and an automated tide gauge collect data on wind conditions and water levels. The tower has a built-in emergency power system and provides accommodation for a maintenance crew.
Read more about this topic: Alte Weser (lighthouse)
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