For 3 examples of mounting types on my van see -

http://taring.org/westy/DCP_0570-1.jpg
http://taring.org/westy/DCP_0571-1.jpg
http://taring.org/westy/DCP_0573-1.jpg

The first and 3rd are standard 3/8 inch mounts, and number 2 is an S0-239.

The 3rd is a spin on what Mike suggests.

If you are worried about hitting things, the second will get pushed over
nondestructively if hit.

tom

On 25 Mar 2004 at 10:53, Mike Collum wrote:

> My solution for mounting a "CB" antenna was to remove the luggage rack and,
> using a hole saw, cutting a hole in the bottom of the rack toward the rear,
> then remounting the rack.  I use a magnetic mount through this hole to stick
> to the van's roof.  If I need temporary clearance, I can just lay the
> antenna on it's side.
>
> Such a hole could also facilitate a "Permanent" through the roof mount and
> the load could be unscrewed when temporary clearance is required.
>
> Mike
>

------
Tom Ring K0TAR, ex-WA2PHW  EN34hx
85 Westphalia GL Albert
96 Jetta GL The Intimidator
taring@taring.org

"It is better to go into a turn slow, and come out fast, than to go into a turn fast
and come out dead." Stirling Moss