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Old October 21st, 2005, 06:09 PM   #1
Obelixx
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Join Date: Apr 2005
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Guyed masts and towers divided by insulators electrically in multiple sections

There are some guyed masts and radio towers, which are divided by one or two insulators electrically in multiple sections. Such constructions are used at high-power mediumwave transmission facilities as mast radiator with a very weak radiation to the sky in order to have a wide area of fading-free reception.

Examples




Main medium wave transmission mast Mühlacker, height: 273 metres, insulated against ground and divided by an insulator electrically in two parts ( http://en.structurae.de/structures/d...fm?ID=s0010708 )


Main medium wave transmission mast Hamburg-Moorfleet, height: 189 metres, insulated against ground and divided by an insulator 101 metres above ground electrically in two parts ( http://en.structurae.de/structures/d...fm?id=s0011486 )


Mast of Rheinsender, Wolfsheim, Germany, height: 160 metres, insulated against ground and divided by an insulator electrically in two parts ( http://en.structurae.de/structures/d...fm?ID=s0011465 )


One of the two masts of Flevoland Transmitter near Zeewolde, Netherlands. Both masts are grounded and from the same construction type. They are 195 metres tall and are divided in a height of 95 metres electrically in two parts.


Scheme of the masts of Flevoland transmitter ( http://www.waniewski.de/id235_m.htm and http://en.wikipedia.org/wiki/Mediumw...tter_Flevoland )


Blosenbergturm Beromünster, Beromünster, Switzerland, height: 216 metres, height of cabin 150 metres ( http://en.structurae.de/structures/d...fm?id=s0010712 ). The cabin of the tower, which is insulated against ground contains a coil, which is used for feeding the top of the tower with the radio power, which should be radiated. Therefore the top must be insulated against the rest of the tower.


Main medium wave transmission mast, Ismaning, Germany, height: 171.5 metres, insulated against ground and insulated by two separation insulators 56 and 112 metres above ground ( http://en.structurae.de/structures/d...fm?ID=s0010731 )
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