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Old 02-18-2013, 01:23 PM   #1
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CB ground

I have my CB antenna mounted behind my spare tire and have it grounded to the bolt of the mount... Pics below... This is not giving me a strong signal so I'm thinking I need to get the ground down to the frame but I'm having trouble finding a clean way to do this with ought obstruction the opening of my tailgate

Any ideas?

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Old 02-18-2013, 05:27 PM   #2
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Bump

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Old 02-18-2013, 06:28 PM   #3
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I ran a line from my bracket, through the door with the antenna cable and to the bottom of the roll bar. I sanded down to bare metal on both ends and put a good metal to metal connection. I have no problems.
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Old 02-18-2013, 08:13 PM   #4
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Yeah. Get jumper cables, place one lead on the bottom of your antenna mount (the collar that attaches the wire to the stud) and place the corresponding lead onto the frame. If it doesn't get better, youre barking up the wrong tree.

Have you measured your SWR?

I hope you don't bump it every 4 hours, lol.
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Old 02-18-2013, 08:23 PM   #5
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Lol thanks and I won't... Just had today to work on it and tried to get as much done as I could in one day
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Old 02-18-2013, 08:24 PM   #6
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Quote:
Originally Posted by BayLLC
Lol thanks and I won't... Just had today to work on it and tried to get as much done as I could in one day
No worries, just messin with ya. I know that situation all too well.
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Old 02-21-2013, 10:37 AM   #7
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I think running a ground strap into the tub and attaching it to sanded metal works?
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Old 02-28-2013, 08:25 PM   #8
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Its because you don't have a ground plane - CB transmits downward reflecting off the ground plane - mount it on the front so that your hood is the ground plane, it'll work better. Off course on the trail just about anywhere will work.... ground to the frame if possible, seal everything up so that it doesn't get wet. Just remember that the ground plane and ground are not the same thing.
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Old 02-28-2013, 09:07 PM   #9
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Originally Posted by aaronarmenta View Post
I think running a ground strap into the tub and attaching it to sanded metal works?
This. I ran a separate ground wire along with the antenna cable. I don't have any inside pics, but I just zip tied them together. I'll get a pic in the daytime. On my JK there is a plastic trim piece on the rear door that snaps out easy. Just run it behind that and find a ground inside. I pulled the trim off the corner and sanded to bare metal at the base of the roll bar. Just make sure you have good bare metal to metal contact for your ground.

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Old 03-13-2013, 10:14 AM   #10
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Just remember on the ground strap that surface area of the wire is EVERYTHING! Braided or flat copper strap (wider the better) is best. Sprap paint or undercoat/Plasticoat over connections when done to prevent corrosion. I did this on my 102" whip to the chassis.
I'm a ex-mega-yacht now ship Captain with lots of experience in the importance of a good ground to plane. Good luck!

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