CB Antenna help needed. - Page 2 - JeepForum.com

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post #16 of 28 Old 02-05-2014, 07:51 PM
wheelnmac
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5 1/2 foot Wilson tuneable antennae

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post #17 of 28 Old 02-05-2014, 09:03 PM
JPNinPA
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Quote:
Originally Posted by prerunner1982 View Post
The hood, like the tailgate has a poor ground connection to the body/tub.
My tj has a factory hood ground strap from the ground below the cowl. So the hood should be a good ground.

"Never look down on anyone unless your helping them up"- Jesse Jackson
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post #18 of 28 Old 02-06-2014, 06:56 AM
Ross
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Quote:
Originally Posted by prerunner1982 View Post
The hood, like the tailgate has a poor ground connection to the body/tub.


Yep, same with roof racks, fenders, doors, tail gates, tire racks even bumpers. Anything that attaches to body MAY provide a less than ideal RF ground point.

01 TJ, 34 Super Swaper 34x10.5 bias, Winch, locked, belly up, some armor, 4.0, 5spd
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post #19 of 28 Old 02-06-2014, 06:57 AM
Ross
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Originally Posted by JPNinPA View Post
My tj has a factory hood ground strap from the ground below the cowl. So the hood should be a good ground.
I have never really noticed one, but have never really checked. I have an 01 and it maybe different.

01 TJ, 34 Super Swaper 34x10.5 bias, Winch, locked, belly up, some armor, 4.0, 5spd
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post #20 of 28 Old 02-06-2014, 01:47 PM
prerunner1982
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Quote:
Originally Posted by JPNinPA View Post
My tj has a factory hood ground strap from the ground below the cowl. So the hood should be a good ground.
seen them with and without... but you are correct it should have been a decent ground plane.

Jon
1993 XJ Sport 2 door 4x4
1997 XJ Sport 4 door 4x2- RIP 6/6/16
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post #21 of 28 Old 02-11-2014, 07:19 PM Thread Starter
doclouie
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Okay so I received my 3' firestik antenna and tuned it. I get a SWR of 2.5 on channel 1 & channel 40 with a SWR of 1.4 on channel 20. I am going to stick with this setup and call it good because I cannot fit a 4' firestik in my garage.

2000 Sahara, 3.5" Rubicon Express Lift, 1" spring spacer & 1" Body Lift, 35" BFG Mud tires, Front & Rear ARB, Rancho 9000 shocks, UCF Ultra High Belly Up Skid.
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post #22 of 28 Old 02-11-2014, 07:34 PM
wheelnmac
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You're still way to high. Let's investigate your cable. Have you tried a better quality cable? Have you checked all of your connections?
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post #23 of 28 Old 02-11-2014, 07:40 PM
wheelnmac
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What does the meter say on channel 40
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post #24 of 28 Old 02-11-2014, 07:55 PM Thread Starter
doclouie
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Quote:
Originally Posted by wheelnmac
what does the meter say on channel 40
2.5

2000 Sahara, 3.5" Rubicon Express Lift, 1" spring spacer & 1" Body Lift, 35" BFG Mud tires, Front & Rear ARB, Rancho 9000 shocks, UCF Ultra High Belly Up Skid.
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post #25 of 28 Old 02-11-2014, 07:58 PM
JPNinPA
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Quote:
Originally Posted by wheelnmac View Post
What does the meter say on channel 40
2.5


Good luck. They are low enough to work. Any issues will show eventually.

"Never look down on anyone unless your helping them up"- Jesse Jackson
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post #26 of 28 Old 02-11-2014, 07:59 PM Thread Starter
doclouie
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Quote:
Originally Posted by wheelnmac
You're still way to high. Let's investigate your cable. Have you tried a better quality cable? Have you checked all of your connections?
I have tried a better quality cable with no difference at all. I also checked all the connections and they all check out. I am an engineer so the testing is pretty straight forward for me. The only thing I can think is the length of the antenna, but 3' is as tall as I can go.

2000 Sahara, 3.5" Rubicon Express Lift, 1" spring spacer & 1" Body Lift, 35" BFG Mud tires, Front & Rear ARB, Rancho 9000 shocks, UCF Ultra High Belly Up Skid.
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post #27 of 28 Old 02-11-2014, 09:44 PM
wheelnmac
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http://www.wilsonantenna.com/product...itswhips-tips/

Wilson has several tuneable antennas that will fit your rig. Here is another idea, put a SWR meter in line between the radio and antenna and tune it that way.
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post #28 of 28 Old 02-11-2014, 10:04 PM Thread Starter
doclouie
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Quote:
Originally Posted by wheelnmac
http://www.wilsonantenna.com/product...itswhips-tips/ Wilson has several tuneable antennas that will fit your rig. Here is another idea, put a SWR meter in line between the radio and antenna and tune it that way.
When I tuned it I put the SWR between the antenna and radio. I think I will just call it good as it is below 3.0 and will not damage the radio.

2000 Sahara, 3.5" Rubicon Express Lift, 1" spring spacer & 1" Body Lift, 35" BFG Mud tires, Front & Rear ARB, Rancho 9000 shocks, UCF Ultra High Belly Up Skid.
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