[TowerTalk] Broken Self Supporting Crank Up Tower

[Alan AB2OS]

 From correspondence with AN Wireless I learned that they claim their 
permissible load/area figures are still good for an antenna mounted 
within 10' of the top of the tower.

Alan AB2OS


I wrote:

> Another thing: as I understand it, the tower manufacturers' permitted 
> surface area figures assume that the antenna is mounted immediately at 
> the top of the tower. When that same antenna is mounted 5, 10 or more 
> feet above the top of the tower on a mast, the forces on the tower are 
> increased significantly; the mast may survive, but not the tower itself.