[TowerTalk] Elevated Vertical with No Radials on Metal Roof

[Jim Brown]

On Thu, 17 Aug 2006 10:04:43 -0500, ve4xt at mts.net wrote:

>You do need to connect the roof to the radial attachment point of the 
>antenna.

>Some things to watch for, however: RFI is one. Have an intermittent or 
>slightly corroded connection at a seam and you're in for RFI.

I agree with all of Kelly's comments, and would emphasize his advice for 
good bonding together of the various elements of the roof, both to make it 
more stable (and a more effective ground plane), and to prevent RFI. And 
also the need for an earth connection for lightning protection. 

Jim Brown K9YC