Transmitter

The unique structural design of the tower, whose authors are ing. arch. Václav Aulický, dr. Ing. Jiří Kozák, CSc. and In. Alex Bém, is protected by Czechoslovak patent.

Up to the height of 134 metres there are three circular tubes, the main of them, which continues into the aerial extension, is 6.4 metres in diameter and the remaining two are 4.8 metres in diameter. In the main tube there are two speed lifts, in the two remaining ones there is an operating technological lift and a fire emergency staircase. The foundation of the tower in the depth of 15 metres comprises of a reinforced concrete, 4 m thick slab with the diameter of 30 metres. The calculated deflection of the tower at the top is up to 120 cm. During ordinary operation no deflection is noticeable because it is eliminated by means of a special pendular oscillation absorber.

In 1992 the transmitter Prague Petřín, which was broadcasting television signals in the territory of the capital city of Prague starting from 1953, finished its activities. However, as early as in 1978 it was decided to prepare construction of a new radio-communication centre for Prague, which would meet the requirements for the provision of modern telecommunication services. Ten variants of the location of this special building were examined from many points of view. In the end the most suitable locality for the coverage of the territory of the capital of the CR with television, radio and other telecommunication signals as well as urbanistic, preservation and air traffic safety aspects was the locality in the Mahlerovy sady park at Žižkov, Prague 3.

The television tower is undoubtedly one of the dominant features of Prague 3. Already at the beginning of this project, it aroused very negative reactions. In connection with the social changes in 1989 many people asked for this construction to be stopped and even demolished. It was then also investigated very carefully whether the tower operation does not have any negative impacts on the health of the population. However, Prague 3 has been slowly getting used to “its” tower in the course of the years. It is also helped by the projects, such as the exhibition of sculptures “Babies” by the artist David Černý.

The Prague Žižkov transmitter provides to the Prague inhabitants the following:

• Television signal for three programmes, radio broadcasting for 6 programmes (ultra short waves)
• Telephone connection for mobile and standard networks, centre for the network control of T-Mobile Czech Republic, a.s. company (T-Mobile)
• Main television cable distribution station, monitoring of the air quality in Prague
• Radio station equipment of emergency rescue services and fire brigade

 

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