[TowerTalk] RE Max Unguyed Rohn 25 height to support dipole end

[Donald Chester]

I think about 26 ft. (3 sections with 4 ft. buried in concrete) is about all 
that is recommended for a freestanding 25G tower, with negligible wind load 
such as a small TV antenna.  With even that they recommend at least a house 
bracket.   I wouldn't try to use an unguyed 25G at any length to hold up a 
dipole without at least one guy attached to each tower to oppose the pull of 
the dipole.  An ice storm or heavy wind could cause the dipole to pull the 
unguyed tower enough to bend it.  Notice that the power and telephone co. 
uses a guy wire on a wooden pole that carries nothing more than a telephone 
drop cable across a narrow road.

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