Partially guyed tower

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A partially guyed towers is a tower structure which consists of a free-standing basement, in most cases of concrete or of lattice steel with a guyed mast on the top. The anchor basements of the guyed mast can be on the top of the tower or on the ground.

[edit] Use

Partially guyed towers can be used e.g. when a very high tower for FM and TV transmission is required, which should also carry antennas for directional radio services in a much lower height. In this cases the antennas for directional radio services are mounted on the top of the free-standing part of the tower, while the guyed mast on its top carry the FM and TV antennas. They can be also used in order to upgrade small stable towers (like watertowers) with a long antenna mast for FM and TV broadcasting. However their use is rare, and done only in some European countries.

[edit] Partially guyed tower with anchor basements on the top of free-standing tower

Guyed masts on skyscrapers or thicker towers are often guyed on the roof of the free-standing basement structure. In this case there is no major constructive difference of the guyed mast to a guyed mast on plain ground and the construction of the free-standing basement tower does not differ much from a tower of the same height without the mast on the top. The guyed mast of such constructions is usually less tall than the free-standing basement tower.

[edit] Partially guyed tower with anchor basements on the ground

Much more rarely and interesting under constructive details are partially guyed towers at which at least one basement of the guy anchors is on the ground. At such structures, the guyed mast on the top is in opposite to guyed towers with anchor basements on the top of free-standing tower much taller (in most cases taller than the basement tower) and it must be considered at its construction and maintenance, that the basement of the guyed mast is situated much more elevated than that of the anchor basements.

Tower Year Country Town Pinnacle height Remarks
Gerbrandy Tower 1961 Flag of the Netherlands Netherlands Lopik 366.8 m
Höiåsmasten 1980 Flag of Norway Norway Halden 320 m
Zendstation Smilde 1959 Flag of the Netherlands Netherlands Smilde 303.5 m
Cutler Naval Station 1960 Flag of the United States United States Cutler, Maine ? m
Lyngdal transmitter 1954 Flag of Norway Norway Lyngdal ? m [1]
Geitfjellet transmitter 1962 Flag of Norway Norway Grong ? m [2]
Greipstad transmitter 1958 Flag of Norway Norway Greipstad ? m [3]
TV Tower Brest - Roc Trédudon 1974 Flag of France France Roc Trédudon 220 m lattice tower as basement
Telecommunication Tower Arhus 1956 Flag of Denmark Denmark Arhus 216.1 m
Brudaremossen masts 1980 Flag of Sweden Sweden Gothenburg 172 m
Sendeturm Dobratsch 1971 Flag of Austria Austria Dobratsch Mountain 165 m
Shchyolkovo Radio Mast ? Flag of Russia Russia Shchyolkovo 150 m Mast radiator on small lattice tower[4],[5]
Waldenburg TV Tower ? Flag of Germany Germany Waldenburg 145 m antenna mast will be dismantled in 2008
Sendeturm Jauerling 1958 Flag of Austria Austria Jauerling 141 m lattice tower as basement
Hoherodskopf old telecommunication tower ? Flag of Germany Germany Hoherodskopf ? lattice tower as basement, replaced by Hoherodskopf telecommunication tower, [6]
Pietricica transmitter ? Flag of Romania Romania Piatra Neamţ ? [7]
Wachberg transmitter ? Flag of Austria Austria Weitra 130 m
Transmitter Geiersberg ? Flag of Germany Germany Geiersberg 124 m lattice tower as basement
Transmission Tower Lindenfels ? Flag of Germany Germany Lindenfels 122 m lattice tower as basement
Transmitter Boppard ? Flag of Germany Germany Boppard-Fleckertshöhe 121 m lattice tower as basement
Makarki Directional Radio Tower ? Flag of Poland Poland Makarki 120 m lattice tower as basement
Transmission Tower Hesselberg ? Flag of Germany Germany Hesselberg 119 m lattice tower as basement
Reichenhain Transmission Tower ? Flag of Germany Germany Chemnitz 99 m lattice tower as basement, was before June 2007 free-standing
Old Fontbonne Mediumwave Transmission Mast 1946 Flag of France France Fontbonne ? m mast radiator with lattice tower as basement, demolished [8]
Coburg-Eckardtsberg Radio Tower ? Flag of Germany Germany Coburg 68 m prefabricated concrete tower as basement
Kvasovka Radio Tower ? Flag of Russia Russia Kvasovka ? m Pinnacle guyed on ground and on 4 crossbars mounted on the lower part of the tower[9]
Alfândega da Fé Transmitter ? Flag of Portugal Portugal Alfândega da Fé ? [10] [11]
Monte do Faro transmitter ? Flag of Portugal Portugal Valença ? [12], [13]
Valença Rádio Comercial transmitter ? Flag of Portugal Portugal Valença ? [14], [15]
Shabla transmitter ? Flag of Bulgaria Bulgaria Shabla ? m [16]
Old TV-Tower Inselberg 1939 Flag of Germany Germany Inselsberg Mountain 43.31 m aerial mast removed
Windisch Bleiberg Transmission Tower ? Flag of Austria Austria Windisch Bleiberg ?
Campobasso Transmitter 1959 Flag of Italy Italy Campobasso ? mast radiator on castle
Transmission Tower Tokaj 1960 Flag of Hungary Hungary Tokaj ?
Hegyhátsál TV Tower ? Flag of Hungary Hungary Hegyhátsál ?
Wrights Hill Radio Tower ? Flag of New Zealand New Zealand Wellington ? [17]

Not considered as partially guyed towers are guyed mast radiators, which stand on the top of the helix building, because the helix building is much smaller than the mast radiator on it. Such constructions are for example the main transmission mast of transmitter Mühlacker at Mühlacker, Germany and the main transmission mast of transmitter Ismaning at Ismaning, Germany.

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