An additionally guyed tower is a free-standing tower, which is also additionally guyed. An additional guying can be temporarily or permanently. Temporarily additional guying is used when work on static relevant parts of the tower is done. A permanent guying is attached when the construction has to withstand strong forces in a certain direction. For example, some types of electricity pylon where the conductors change their direction or terminate. Also towers carrying horizontally spun wire antennas are sometimes additionally guyed. Sometimes towers in windy areas are additionally guyed in order to withstand increased strain. The main advantage of additional guying is that it is cheaper than building a completely free-standing tower, which can withstand the same force. Further, it allows for very easy upgrading of existing structures. The disadvantage of additional guying is that it requires much more ground space and that the guy basements handicap the work of agriculture. There is also a danger that the guys can be damaged at their basement anchors, so the basements need to be fenced in. KVLY-TV mast, which is guy-wire supported. ...

Some additionally guyed towers

Torre de Collserola is a uniquely designed tower located on the Tibidabo in Barcelona, Catalonia (Spain). ... Torre Espacial or Torre Interama is a 228 metre high observation tower at Buenos Aires, Argentina. ... Year 1980 (MCMLXXX) was a leap year starting on Tuesday (link displays the 1980 Gregorian calendar). ... RKS Liblice 1 is a facility for commercial longwave transmission at Liblice, Czech Republic. ... A question mark is a punctuation mark. ... Mount Ślęża is a mountain in the Sudetes Highlands (Pogórze Sudeckie) in Lower Silesia, southern Poland. ... Year 1972 (MCMLXXII) was a leap year starting on Saturday (link will display full calendar) of the Gregorian calendar. ... A question mark is a punctuation mark. ... A question mark is a punctuation mark. ... Schöckl Transmitter is a facility for FM- and TV-transmission on the Schöckl Mountain in Steiermark, Austria. ... Year 1957 (MCMLVII) was a common year starting on Tuesday (link displays the 1957 Gregorian calendar). ... Holstein Tower ( German: Holsteinturm) is a 100 metres high Gyro Tower in Heide Park, an amusement park in Sierksdorf, Schleswig-Holstein, Germany. ... Pohorje transmitter is a facility for FM- and TV-broadcasting in the Pohorje muntains west of Maribor at 15° 34 53 E and 46° 30 57 N 1056 metres above sea level. ... A question mark is a punctuation mark. ... A question mark is a punctuation mark. ... A question mark is a punctuation mark. ... A question mark is a punctuation mark. ... Year 1960 (MCMLX) was a leap year starting on Friday (link will display full calendar) of the Gregorian calendar. ... A question mark is a punctuation mark. ... Also: 1969 (Stargate SG-1) episode. ... The Tower of Unity (German: Turm der Einheit) is a 30 meter high observation tower on Heldrastein, a rocky mountain belonging to Treffurt in Thuringia. ... Year 1962 (MCMLXII) was a common year starting on Monday (the link is to a full 1962 calendar) of the Gregorian calendar. ... This article is about the year. ... A question mark is a punctuation mark. ... Hochfirst Tower is a 25 metre tall lattice observation tower on the Hochfirst mountain near Titisee-Neustadt at 47°5404 N and 8°1103 E. It was built in 1890 as replacement of a wooden observation tower. ... Year 1890 (MDCCCXC) was a common year starting on Wednesday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Monday of the Julian calendar). ... Please wikify (format) this article or section as suggested in the Guide to layout and the Manual of Style. ... Year 1883 (MDCCCLXXXIII) was a common year starting on Monday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Saturday of the 12-day slower Julian calendar). ... A question mark is a punctuation mark. ... A typical mast radiator Base feed: mast is fed from Aerial Tuning Unit on right via conductor to top of brown ceramic insulator. ... A question mark is a punctuation mark. ... Year 1909 (MCMIX) was a common year starting on Friday (link will display full calendar) of the Gregorian calendar (or a common year starting on Thursday of the 13-day-slower Julian calendar). ... At the top of the mountain Triglav is mounted Aljažev stolp (the Aljaž tower) which is a landmark of Slovenian territory and an important symbol of Slovenia. ... Year 1895 (MDCCCXCV) was a common year starting on Tuesday (link will display full calendar) of the Gregorian calendar (or a common year starting on Sunday of the 12-day-slower Julian calendar). ...

References

• http://www.awea.org/faq/sagrillo/ms_visibility.html