[TowerTalk] Verticals and Metal Roofs

[Jim White, K4OJ]

Sounds like a great ground plane... you may have a luxury many try to 
achieve with lots of radials!

Does the roof have good quality "seams" - I have heard reports of 
intermittent contact between pieces of roofing causing SWR fluctuations 
and fastners were needed to "hold it down tight"...

GL,

Jim, K4OJ



Paul Carr wrote:
> I want to install a vertical antenna on a structure with a metal roof 
> using a tripod. What are the issues with mounting a vertical in this 
> fashion?
> 
> Does the antenna need to be mounted a certain height above the metal 
> roof?  Should the base of the antenna be grounded to the roof or should 
> I strive for isolation?  Can anyone describe actual installations?
> 
> I assume that "insulated" radials will be required.
> 
> 
> Paul
> WL7PC
> 
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