The Experimental Radio Station Eberswalde was an experimental

radio station Radio broadcasting is transmission 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 radi ...

of the company C. Lorenz AG founded in

Eberswalde Eberswalde () is a major town and the administrative seat of the district Barnim in the German State ( Bundesland / ''federated state'') of Brandenburg, about 50 km northeast of Berlin. Population 42,144 (census in June 2005), geographi ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

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 ...

History

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

broadcasting Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum ( radio waves), in a one-to-many model. Broadcasting beg ...

station. Starting in 1924, the station was used for short wave 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 (), also known as turf (), is an accumulation of partially decayed vegetation or organic matter. It is unique to natural areas called peatlands, bogs, mires, moors, or muskegs. The peatland ecosystem covers and is the most efficient ...

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

Humboldt University Humboldt-Universität zu Berlin (german: Humboldt-Universität zu Berlin, abbreviated HU Berlin) is a German public research university in the central borough of Mitte in Berlin. It was established by Frederick William III on the initiati ...

Berlin Berlin ( , ) is the capital and List of cities in Germany by population, largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's List of cities in the European Union by population within ci ...

. 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