Frohnau
Encyclopedia
Frohnau is a locality in the Reinickendorf
Reinickendorf
Reinickendorf is the twelfth borough of Berlin. It encompasses the northwest of the city area, including the Berlin-Tegel Airport, Lake Tegel, spacious settlements of detached houses as well as housing estates like Märkisches Viertel.-Subdivision:...

 borough
Borough
A borough is an administrative division in various countries. In principle, the term borough designates a self-governing township although, in practice, official use of the term varies widely....

 of Berlin, Germany. It lies in the extreme northern part of the city.

History

Founded in 1910, Frohnau was created whole as a planned community, corresponding to the early twentieth century idea of a Garden City
Garden city movement
The garden city movement is a method of urban planning that was initiated in 1898 by Sir Ebenezer Howard in the United Kingdom. Garden cities were intended to be planned, self-contained communities surrounded by "greenbelts" , containing proportionate areas of residences, industry and...

. Frohnau was founded in the Stolper Heath, which had been bought for the Berlin Terrain Commission by Count Guido Henckel von Donnersmarck
Guido Henckel von Donnersmarck
Guido Georg Friedrich Erdmann Heinrich Adalbert Graf Henckel von Donnersmarck, from 1901 Fürst Henckel von Donnersmarck was a German nobleman, industrial magnate, and one of the richest men of his time...

 in 1907. The competition for the design was won by a plan developed by Joseph Brix and Felix Genzmer. Their concept represented an asymmetrical, seemingly natural development out of the dunes near the Havel River. Even the name "Frohnau" was determined by a contest. In 1920, Frohnau was annexed into the Greater Berlin
Greater Berlin Act
The Greater Berlin Act , in full the Law Regarding the Reconstruction of the New Local Authority of Berlin , was a law passed by the Prussian government in 1920 that greatly expanded the size of the German capital of Berlin.-History:...

 city-state
City-state
A city-state is an independent or autonomous entity whose territory consists of a city which is not administered as a part of another local government.-Historical city-states:...

.

Architectures

The natural centre of the city has always been the train station
Berlin-Frohnau railway station
Berlin-Frohnau is a railway station in the neighbourhood of Frohnau, in the city of Berlin, Germany. It is served by the Berlin S-Bahn and by several local buses.-External links:*...

 and the nearby buildings. The casino tower serves as the symbol of Frohnau. The entire area is noted for its large mansion-like buildings.

The architects responsible for the typical mansions include Walter and Johannes Krüger (the Church of St. John), Hart and Lesser (train station and casino tower), Max Meyer (Buddhist house), Paul Poser, Max Scheidling, and Heinrich Straumer (better known for his work on Berlin's radio tower, Funkturm).

Frohnau includes one of the tallest buildings in Germany: The Richtfunkmast
Richtfunkstelle Berlin-Frohnau
The Richtfunkstelle Berlin-Frohnau was a facility for directional radio services in Frohnau . Before the German reunification, the facility served as a directional radio link between West Berlin and West Germany.It first used only an overhorizon directional link...

(microwave radio tower) measures 358.6 m (1177 ft) in height and was built between 1977-1979. Up until German reunification
German reunification
German reunification was the process in 1990 in which the German Democratic Republic joined the Federal Republic of Germany , and when Berlin reunited into a single city, as provided by its then Grundgesetz constitution Article 23. The start of this process is commonly referred by Germans as die...

, this was the means for keeping microwave
Microwave
Microwaves, a subset of radio waves, have wavelengths ranging from as long as one meter to as short as one millimeter, or equivalently, with frequencies between 300 MHz and 300 GHz. This broad definition includes both UHF and EHF , and various sources use different boundaries...

 radio contact with West Germany
West Germany
West Germany is the common English, but not official, name for the Federal Republic of Germany or FRG in the period between its creation in May 1949 to German reunification on 3 October 1990....

. The receiving tower on the West German side was in Gartow
Gartow
Gartow is a municipality in the district Lüchow-Dannenberg, in Lower Saxony, Germany. It is situated in the easternmost tip of Lower Saxony, on the river Elbe, approx. 30 km northeast of Salzwedel, and 20 km west of Wittenberge...

, Lower Saxony
Lower Saxony
Lower Saxony is a German state situated in north-western Germany and is second in area and fourth in population among the sixteen states of Germany...

. Alongside the Richtfunkmast is a 117 m (384 ft) free-standing steel framework tower, which is dwarfed in comparison. This was built between 1970 and 1973, and had 18 m (66 ft) diameter parabolic antenna
Parabolic antenna
A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves. The most common form is shaped like a dish and is popularly called a dish antenna or parabolic dish...

e to enable radio connection beyond the horizon to Lower Saxony until 1995. Since 2002 mediumwave
Mediumwave
Medium wave is the part of the medium frequency radio band used mainly for AM radio broadcasting. For Europe the MW band ranges from 526.5 kHz to 1606.5 kHz...

 digital radio
Digital radio
Digital radio has several meanings:1. Today the most common meaning is digital radio broadcasting technologies, such as the digital audio broadcasting system, also known as Eureka 147. In these systems, the analog audio signal is digitized into zeros and ones, compressed using formats such as...

transmissions have been tested in Frohnau at 1485 kHz. Since neither the Richtfunkmast nor the parabolic antenna tower was intended for mediumwave transmissions, an additional 10 m (33 ft) long-wire antenna was installed.

External links

Frohnau page of Reinickendorfer site
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