Partially guyed tower

A partially guyed tower 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.

Zendstation Smilde

Use

Partially guyed towers are typically used when a very high tower for FM and TV transmission is required, while also carrying antennas for directional radio services at a much lower height. In such 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 they exist chiefly in certain European countries.

Note that mast radiators which stand atop an antenna tuning hut (a.k.a. helix building) are not considered partially guyed towers, because the hut is much smaller than the mast radiator. Such constructions include the Mühlacker radio transmitter and the Ismaning radio transmitter.

Anchor placements

Partially guyed towers can be divided into two types, depending on the placement of the guy anchors.

Anchors atop the free-standing tower

Guyed masts on skyscrapers or wider towers are often guyed on the roof of the free-standing basement structure. In such cases, 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 a mast. The guyed mast of such constructions is usually of lesser height than basement tower.

Anchors on the ground

Partially guyed towers in which at least one basement of the guy anchors is on the ground are more rare. The placement of guy basements across a broader geometric base allows for a mast much taller than the free-standing basement tower, and the integration of tower and mast should be considered in all facets of construction and maintenance.

Realized towers

Tower	Year	Country	Town	Pinnacle height	Remarks	Ref
Gerbrandy Tower	1961	Netherlands	IJsselstein	366.8 m
Vännäs TV Tower	1988	Sweden	Vännäs	323 m
Høiåsmasten	1980	Norway	Halden	320 m
Zendstation Smilde	1959	Netherlands	Smilde	303.5 m
Cutler Naval Station	1960	United States	Cutler, Maine	? m
Brunnby transmitter	?	Sweden	Uppsala	225 m
TV Tower Brest - Roc'h Trédudon	1974	France	Roc Trédudon	220 m	lattice tower as basement
Greipstad transmitter	1958	Norway	Greipstad	218 m		[1]
Telecommunication Tower Aarhus	1956	Denmark	Arhus	216.1 m
Sörmon TV Tower	1967	Sweden	Karlstad	184 m
Nordhue transmitter	?	Norway	Elverum, Hedmark	182 m	lattice tower as basement
Kekesteto TV Tower	?	Hungary	Kekesteto	178 m
Brudaremossen masts	1980	Sweden	Gothenburg	172 m
Sendeturm Dobratsch	1971	Austria	Dobratsch Mountain	165 m
Lyngdal transmitter	1954	Norway	Lyngdal	156 m		[2]
Gamlemsveten transmitter		Norway	Haram	154 m
Tighina TV Tower	?	Moldova	Tighina	152 m		[3]
Shchyolkovo Radio Mast	?	Russia	Shchyolkovo	150 m	Mast radiator on small lattice tower[4]	[5]
Steinfjellet transmitter	?	Norway	Bremanger	148 m
Mont Agel Broadcasting Mast	1946	France	Fontbonne	145 m	originally mast radiator with lattice tower as basement, today used for FM-/TV-broadcasting	[6]
Waldenburg TV Tower	?	Germany	Waldenburg	145 m	antenna mast dismantled in 2009
Mekhzavod Radio Mast	?	Russia	Mekhzavod	142 m	Mast radiator on small lattice tower	[7]
Sendeturm Jauerling	1958	Austria	Jauerling	141 m	lattice tower as basement
Hoherodskopf old telecommunication tower	?	Germany	Hoherodskopf	?	lattice tower as basement, replaced by Hoherodskopf telecommunication tower	[8]
Gera Telecommunication Tower	126.5 m	Germany	Gera	?	originally free-standing
Geitfjellet transmitter	1962	Norway	Grong	131 m		[9]
Lakssvelafjellet transmitter	?	Norway	Bjerkreim	130 m
Wachberg transmitter	?	Austria	Weitra	130 m
Mount Corhanwarrabul, Channel 7 Tower	1956	Australia	Mount Dandenong, Victoria	131 m	Lattice tower as basement
Torfhaus Telekom Transmitter	?	Germany	Torfhaus	130 m	was transformed in a pure guyed mast
Tokaj TV Tower	1960	Hungary	Tokaj	130 m
Ylojärvi TV Tower	?	Finland	Ylojärvi	124 m
Transmitter Geiersberg	?	Germany	Geiersberg	124 m	lattice tower as basement
Criuleni TV Tower	?	Moldova	Criuleni	123 m		[10]
Transmission Tower Lindenfels	?	Germany	Lindenfels	122 m	lattice tower as basement
Transmitter Boppard	?	Germany	Boppard-Fleckertshöhe	121 m	lattice tower as basement
Makarki Directional Radio Tower	?	Poland	Makarki	120 m	lattice tower as basement
Uzd TV Tower	?	Hungary	Uzd	120 m		[11]
Transmission Tower Hesselberg	?	Germany	Hesselberg	119 m	lattice tower as basement
Hegyhátsál TV Tower	?	Hungary	Hegyhátsál	117 m
Gelukskroon transmitter, main tower	?	South Africa	Pretoria	112.8 m		[12]
Lifjellmast	?	Norway	Homersak	111 m	lattice tower as basement
Kopparen transmitter	?	Norway	Botngard	102 m	lattice tower as basement
Reichenhain Transmission Tower	?	Germany	Chemnitz	99 m	lattice tower as basement, was before June 2007 free-standing
Mount Ślęża transmitter	1958	Poland	Mount Ślęża	98 m	dismantled, after taller additionally guyed tower was built in 1972
Bealadangan Radio Mast	?	Ireland	Galway	91.4 m
Pietricica transmitter	?	Romania	Piatra Neamţ	87 m		[13]
Still Pond Signal Tower	?	United States	Still Pond, Maryland	83.8 m		[14]
Towers on roof of Heckeshorn Shelter	1948	Germany	Berlin	? m	2 towers, were used from 1948 to 1967 for a radio relay link to Lower Saxony. Dismantled in 1967
Coburg-Eckardtsberg Radio Tower	?	Germany	Coburg	68 m	prefabricated concrete tower as basement
Kvasovka Radio Tower	?	Russia	Kvasovka	? m	Pinnacle guyed on ground and on 4 crossbars mounted on the lower part of the tower	[15]
Some towers at Irazú Antenna Farm	?	Costa Rica	San Rafael de Irazú	?		[16]
Alfândega da Fé Transmitter	?	Portugal	Alfândega da Fé	?	[17]	[18]
Monte do Faro transmitter	?	Portugal	Valença	?	[19]	[20]
Valença Rádio Comercial transmitter	?	Portugal	Valença	?	[21]	[22]
Shabla transmitter	?	Bulgaria	Shabla	? m		[23]
Witthohsteige Radio Tower	?	Germany	Tuttlingen	58,5 m	prefabricated concrete tower as basement
Old TV-Tower Inselberg	1939	Germany	Inselsberg Mountain	43.31 m	aerial mast removed
Collmberg Three-Leg Tower	1953	Germany	Collmberg	40 m	demolished
Windisch Bleiberg Transmission Tower	?	Austria	Windisch Bleiberg	?
TSR Polana	?	Poland	Sokolowsko	35 m
Campobasso Transmitter	1959	Italy	Campobasso	?	mast radiator on castle
Chełmiec Radio Mast	?	Poland	Chełmiec	?	Guyed mast on castle ruin
Wrights Hill Radio Tower	?	New Zealand	Wellington	?		[24]

References

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