The Experimental Radio Station Eberswalde was an experimental

radio station Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based rad ...

of the company C. Lorenz AG founded in

Eberswalde Eberswalde () is a major town and the administrative seat of the district Barnim in Brandenburg in north-eastern Germany, about northeast of Berlin. Population 42,144 (census in June 2005). The town is often called Waldstadt (forest town), beca ...

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

in 1909.

Technical details

As an antenna system, it used an umbrella aerial, which was mounted on a 70-metre-high, guyed central mast and supported at the corners by sixteen 30-metre-high timber masts. The central mast was wood-latticed with a weight of 10.2 tons, guyed in 5 levels. As transmitters, arc and machine transmitters were used, which served mainly for the purpose of

telegraphy Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas pi ...

History

Between January 1923 and January 1925, music transmissions were also done, although the station was never a regular

broadcasting Broadcasting is the data distribution, distribution of sound, audio audiovisual content to dispersed audiences via a electronic medium (communication), mass communications medium, typically one using the electromagnetic spectrum (radio waves), ...

station. Starting in 1924, the station was used for

short wave Shortwave radio is radio transmission using radio frequencies in the shortwave bands (SW). There is no official definition of the band range, but it always includes all of the high frequency band (HF), which extends from 3 to 30 MHz (app ...

experiments. In 1928, the first experimental radio beacon was built on the Experimental Radio Station Eberswalde. It operated in the medium-wave band and used a triangle plane aerial, which was hung up on three 28 metre tall masts. Starting in the middle of the 1930s, the station was gradually shut down. In 1939, the entire antenna system including the central mast was dismantled. Starting in 1942, the buildings were used for a research centre for investigating the production of fuel from

peat Peat is an accumulation of partially Decomposition, decayed vegetation or organic matter. It is unique to natural areas called peatlands, bogs, mires, Moorland, moors, or muskegs. ''Sphagnum'' moss, also called peat moss, is one of the most ...

. From 1954 to 1963, the facilities served the forest-economy faculty of the

Humboldt University The Humboldt University of Berlin (, abbreviated HU Berlin) is a public university, public research university in the central borough of Mitte in Berlin, Germany. The university was established by Frederick William III of Prussia, Frederick W ...

Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...

. The facilities are unused today.

External links

* {{coord, 52.8402, N, 13.8331, E, source:kolossus-dewiki, display=title Defunct radio stations in Germany Mass media in Eberswalde