Friedrich Clemens Gerke Tower

from Wikipedia, the free encyclopedia
Friedrich Clemens Gerke Tower
Image of the object
Basic data
Place: Cuxhaven
Country: Lower Saxony
Country: Germany
Altitude : 1  m above sea level NHN
Coordinates: 53 ° 51 ′ 22.6 "  N , 8 ° 40 ′ 39.2"  E
Use: Telecommunications tower
Accessibility: Transmission tower not open to the public
Owner : German radio tower
Tower data
Construction time : 1990-1991
Operating time: since April 9, 1992
Total height : 230  m
Operation room: 100  m
Data on the transmission system
Waveband : FM transmitter
Radio : VHF broadcasting
Send types: DVB-T , DAB , directional radio
Position map
Friedrich-Clemens-Gerke-Tower (Lower Saxony)
Friedrich Clemens Gerke Tower
Friedrich Clemens Gerke Tower
Localization of Lower Saxony in Germany

Friedrich-Clemens-Gerke-Turm is the name of the telecommunications tower in Cuxhaven , which was completed in 1991 .

The 230 meter high Friedrich-Clemens-Gerke-Turm is a reinforced concrete tower of the Deutsche Telekom AG for directional radio and VHF radio inaccessible to the public. Like the Bremen television tower and the Münster telecommunications tower, it is a replica of the Kiel television tower .

The tower is named after the pioneer of telegraphy Friedrich Clemens Gerke and was designed by the architects Gerhard Kreisel and Günter H. Müller from Kiel .

Technical specifications

Cuxhaven - Friedrich-Clemens-Gerke-Tower - 2004 by RaBoe 01.jpg
Tower cage of the Friedrich-Clemens-Gerke-Tower
  • The foundation consists of 157 in-situ concrete driven piles, they are 19.20 meters long and have a diameter of 61 centimeters.
  • The foundation has a diameter of 27.80 m, is 3.50 meters thick and requires 5,000 m³ of concrete and 200 tons of steel.
  • The shaft of the tower has a diameter of 13.10 meters in the lower area and 3.10 meters in the upper area and consists of 5,000 m³ of concrete and 800 tons of steel.
  • The operating floor is 100 meters high and has a base plate weight of 1700 tons and a diameter of 40 meters.
  • The platform has a diameter of approx. 25 meters.
  • The fluctuation can be up to 0.50 meters.
  • The foundation stone was laid on April 26, 1990 in the presence of Federal President Richard von Weizsäcker , Federal Chancellor Helmut Kohl , Federal Minister for Post and Telecommunications Christian Schwarz-Schilling, and Helmut Ricke , Chairman of the Management Board of Deutsche Bundespost Telekom .

The tower was put into operation on April 9, 1992.

Radio technology

  • Directional radio link for approx. 10,000 telephone channels and a range of 60 km (i.e. to Heligoland ). The antennas have a diameter of up to 4 meters.

Digital television ( DVB-T / DVB-T2 )

Since October 28, 2009, the telecommunications tower has been used instead of the Cuxhaven-Altenwalde transmitter to broadcast television programs in the DVB-T standard. On November 8, 2017, the conversion to DVB-T2 with HEVC image coding took place.

The following DVB-T2 bouquets are transmitted:

channel Frequency  
(in MHz) 		Multiplex Programs in multiplex ERP  
(in kW) 		Antenna
diagram
round (ND) /
directional (D) 		Polarization
horizontal (H) /
vertical (V) 		SFN with
29 538 ARD Digital (NDR) 8th ND H Aurich-Popens , Bremen (Walle) , Bremerhaven-Schiffdorf , Cuxhaven-Stadt , Steinkimmen
35 586 Mixed multiplex from ZDF and freenet TV 5 ND H Aurich-Popens , Bremen (Walle) , Bremerhaven-Schiffdorf , Cuxhaven-Stadt , Steinkimmen
36 594 ARD regional (NDR) Lower Saxony 8th ND H Cuxhaven city

Send parameters

Used by (HD Programs per Mux) Modulation
method		 Code rate FFT mode Guard
interval		 Pilot tones Data rate
[Mbit / s]
ZDF (5) 64-QAM 3/5 16k extended 19/128 Pilot Pattern 2 22.0
ARD Digital (NDR) (5)
NDR regional (5) 		64-QAM 1/2 16k extended 19/128 Pilot Pattern 2 18.2

Digital radio ( DAB )

DAB is broadcast in vertical polarization and in single-frequency mode with other programs. The DAB block 5C has been in operation since December 15, 2015.

block Programs ERP  
(in kW) 		Antenna pattern
round (ND) /
directional (D) 		Single frequency network (SFN)
5C
DR Germany
(D__00188) 		DAB + block of media broadcast: 1KW ND

See also

Individual evidence

  1. ↑ Channel change in digital aerial television: Improved reception of television programs. NDR.de, October 9, 2009 .;
  2. ↑ Data sheet DVB-T2 HD Lower Saxony. (PDF) NDR.de, accessed on November 7, 2017 .
  3. ↑ current DAB frequency list Lower Saxony

Web links

Commons : Friedrich-Clemens-Gerke-Turm  - collection of pictures