[Mobile-Portable] Mobile Antenna Grounding

[Owen Wormser]

Usually, or at least in the past, I've known what to do but I've got 
a challenge now that could be solved if there are any ideas out there 
about grounding an HF antenna mount.  Here's the situation. On my new 
truck I have a heavy duty, tubular, ladder rack.  I made a mount for 
my HF antenna, knowing full well that the ladder rack (being bolted 
to the truck bed side rails) was - more than likely - not a good 
source for "chassis ground".  Turns out this is correct as I am 
getting a significant amount of RF back down the tx line on certain 
bands, especially 80/75 meters and on 10M.  I'm certain the problem 
is the lack of the mount's access to chassis ground.  So, any ideas 
as to what to do about this - any prior solutions out there?  The 
distance from the mount (on top of the ladder rack) to anything 
approaching a possible chassis ground solution is about 5-6 feet. 
Short of running a 6" wide copper strap down from the mount to the 
chassis - which would be one ugly solution - any other ideas? 
Thanks,  Owen, K3CB

-- 
Owen Wormser, K3CB / FM18lx
3201 Tennyson St, NW
Washington, D.C. 20015
http://www.c3iusa.com
Beacons: 2304.215/3456.215/5760.225/10.368.215 / FM09rc