My current shack on wheels. Eventually a HF rig is going to be added, probably another Kenwood. This is a 2003 Tundra, I did loose two of my cup holders to the radio head, but I think it was a worthwhile sacrifice.
The only external antenna I have is a Comet SBB5 mounted up on the side of the toolbox. I have been known to get into repeaters 20-30 miles away on 5 watts with it. Simplex I generally get about 10-15 miles out of it.
That looks good. I wonder if the antenna mounted on the side of the box gives a ground plane that is somewhat directional i.e., to the left or right of the direction the truck is moving (if my meaning is clear). Would an NMO mount in the middle of the box (or the center of the cab roof) make a more efficient ground plane and therefor radiate in all directions?
I don't know if my question makes sense or is vague, but I hope you'll understand what I'm asking.
Then again, you seem to be hitting the repeaters and doing well on simplex too, so maybe it wouldn't make a difference.
I am sure that my signal is lop-sided because of the mounting but the preformance seems acceptable to me thus I have never experimented with moving it. That mount is a left over from when I had a CB in the truck, I just recycled. But I'm sure you are right an NMO mount on the roof would be more efficent.