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What did I do?

roadrage

Active Member
I got sick of my Wilson 1000 giving me problems so I pieced together all I needed for a 102" set up. I purchased a thing at a time, when I had the money. First the antenna, then the spring, then the mount.

So I finally have everything and I'm ready to go. My plan was to mount it at the front passenger side of the bed. "Well, that will make it directional." Then I thought I'll mount it front center of the bed and as high as I can get it on the center bed rail. "Well, the antenna will always be hitting the cab." Then I start getting impatient and I really get to thinking were I would put this thing. That is where I get myself into trouble. So the roof starts looking good. It is the best spot for antenna placement. So out comes the drill and down comes the headliner. So the baby is eating in his high chair in the driveway, I'm getting frustrated while I try to cram my fingers in between he roof supports with the nuts and washers, meanwhile the screw keeps popping up out of the roof as I try to get the nuts on. What seems like forever and a day later, I get it all together. I let out a sigh of relief. That is about when I notice the backing plate of the ball mount on the front seat. I have to disassemble everything and start over. I finally get it up and SWR is good, reception is good, and I'm happy.

So the next day I go to drop my son off at daycare. Twang, ding, thwack, boing. So now I start to do the math....6' of truck, 102" antenna, 6" spring, 4" mount. Hmmmm, 15' 4" at the tip is a bit high. I better tie this thing down. So then I find just how flimsy they are making trucks these days. The metal on my roof is almost at the point of crinkling when I tie the antenna back, and there isn't even much stress on it. It is a little late to change it now that the holes are drilled. But this thing looks awesome sitting in my driveway.
 

heck with it,..................

jus put a big ole rebel flag on it and driveit like you stole it:whistle:
 
I think the center of the roof is the best place for an antenna but maybe not for a a 102" whip, spring and mount. Lots of stress as you're finding out. I have my 102 whip on a home made mount on the right side top of the bed and it wroks great there. Mobile antennas are mounted to low to the ground to be very directional. Most of the power is being lost to ground anyway. You may eventually want to replace the longer whip with a shorter center loaded antenna if the stress on the sheet metal roof gets to bad. You probably won't see too much difference in performance if any at all.
 
I have one on top of my SUV, yes it gets kinda high. I would see about putting a longer metal plate where it mounts inside the cab. It doesn't have to be super thick but thick enough to hold its shape well. It won't stop the sway completely but it will definitely help.

I use a riser on mine instead of a spring and as of yet have not had an issue. That being said, I don't try and tie mine down.

I've hit tree branches usually at 50+ miles an hour without issue. Mind you I know my mount is different than yours.


The DB
 
Quite a few guys have taken an old circular saw blade and used it inside the cab to reinforce the roof. I'd suggest looking at the saw teeth VERY carefully if you try this so as not to really mess things up...:whistle:
 
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Wouldn't the teeth be a good thing to leave on, like a star washer that digs into the paint and metal to make good contact to bond it to the body?
 
You picked the best spot on the whole truck to mount the antenna. The problem is, you didn't pick an area with enough reinforcement. You also have to take into consideration just how high the antenna is going to sit.

Mounting a tool box in the bed of the truck with the 102 mounted to the tool box would have been a little better. Or maybe a roll bar, headache rack, etc. with the 102 on it.

Below is a pic of how my little 4X4 looked after putting a 102 on the light bar.
 

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Here's what I did with my 2012 Sierra and a 102 whip.
binrat-albums-radios-things-picture3505-old-faithful-mounted-off-top-box-pass-side.jpg
 
I dont have a rollbar, headache rack, or tool box on that truck. I almost made a platform on the top of the front bedrail.

Hey Malen, that spot was my first choice. It just ended up on the roof. It is a little inconvenient to have to tie and untie the antenna all the time. But when it is upright, 15' 4" to the tip, it is awesome. I just have to sturdy up the roof a little. I am going to try the sawblade trick.

I will probably use the steel blade instead of the plywood blade.:LOL:
 
I would be careful about leaving the teeth on a saw blade for reinforcement. Multiple tree branch strikes could begin to leave tooth marks on the roof of the cab if you don't grind them off.
 

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