Tom,
Like others have said, I wouldn't worry. That trailer has enough surface area. 
If you had rf on the audio, or rf burns, that would be a problem needing 
fixing.

--
Chris 
---
On Thu, Jun 25, 2015 at 10:01:49AM -0400, Tom Behler wrote:
> Hello, all.
> 
>  
> 
> I know I'll get varying opinions on this, but I have a question about
> station grounding out at the RV camp site.
> 
>  
> 
> As many of you know, my main rig out there is my TS480, and I will be using
> my trusty Alpha Delta DXCC multi-band dipole.  When all is said and done,
> I'm hoping the antenna will be up about 30 feet in the trees.
> 
>  
> 
> Just as I did in previous years, I will have a ground connection running
> from the ground screw on the TS480 to a terminal ground connection on the
> back bumper of the RV.  I use 10-gauge wire for this connection.
> 
>  
> 
>  
> 
> Of course, I am very careful about disconnecting my antenna at any sign of
> thunderstorms.
> 
>  
> 
> Is this adequate, or should I be pursuing something additional?
> 
>  
> 
> I wouldn't think a dipole would have to be grounded with a ground rod such
> as is the case with a vertical, or a beam antenna on a tower, but my
> theoretical knowledge in this area is a bit lacking.
> 
>  
> 
> Thanks for any thoughts.
> 
>  
> 
> Tom Behler: KB8TYJ
> 
>