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Old 03-07-2011, 05:19 PM
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Question CB Antenna?

Should i go with a 5ft fiberglass Wilson or the 5.5ft fiberglass Francis? My CB is a Cobra 29 GTL.

Thanks, Barron
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Old 03-17-2011, 03:03 PM
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CB Antena

I have been driving truck over the road for almost 6 years now and I have figured something out in that time. There is no one antenna that is going to work for everyone. First thing you will need to do I install your radio in the truck. Make sure to have a good ground. Run your coax to where the antenna is going to be and go from there. A good rule of thumb to get the best out of your radio is never go shorter than 9 foot and always use increments of 9 feet. If you measure and need 21 feet you should really get a 27 foot piece. Also the best sound will come from a piece of coax with very lox ohms. I have always made my coax at 5ohms or less. You should also never coil extra coax in the truck. If you make a coil you need to take a zip tie and bring the middle together to make it look like a bowtie. Coiled coax that is in a circle will act as an antenna.

Not for your antenna I would say look at the Francis antenna's They are cheaper and most of the rest and hold up good. You could also look at a wilson or firestik adjustable fiberglass antenna. This will allow you to adjust the SWR's and get you to a clean and clear sound.

I am running a Stryker SR-490HP with 18 feet of coax and a Monkey Made MM9 Antenna. But not everyone wants a CB radio that is good to talk up to 35miles. Also not everyone is willing to drop $600 on just a cb setup.

If you have anymore questions please feel free to ask. I have been around CB radio's all my life.

Justin
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Old 03-17-2011, 03:09 PM
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Quote:
Originally Posted by 06 Strokin View Post
Should i go with a 5ft fiberglass Wilson or the 5.5ft fiberglass Francis? My CB is a Cobra 29 GTL.

Thanks, Barron
Wilson 1000......!
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Old 03-17-2011, 04:42 PM
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Running a Cobra 29 peaked and tuned, still only pushes around 9-10 watts. 18ft coax and a 3ft francis. SWR is as close as it can be. Still only talk around 15 miles on a clear night.
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Old 03-17-2011, 04:52 PM
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Originally Posted by smokenstroke View Post
Running a Cobra 29 peaked and tuned, still only pushes around 9-10 watts. 18ft coax and a 3ft francis. SWR is as close as it can be. Still only talk around 15 miles on a clear night.

my cobra 29 would swing 32 watts on the meter when i tuned it... i could make one of those mini florescent bulbs glow if i put it near the antenna.
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Old 03-17-2011, 04:58 PM
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Dang, i was shooting for 12. So it would be 3 times a stock one. You must have changed out some resistors or somehting right?
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Old 03-17-2011, 05:55 PM
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I always ran a K-40 whip and last year I installed a Wilson fiberglass antenna. It is mounted in the gutter on the hood. It works well but the damn thing whistles. I hate that about it so I'm thinking of swaping back to a metal whip style.
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Old 03-17-2011, 06:18 PM
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Metal whips are gonna get better reception anyway. I just didnt like the looks of one on my truck.
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Old 03-17-2011, 06:20 PM
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Originally Posted by smokenstroke View Post
Dang, i was shooting for 12. So it would be 3 times a stock one. You must have changed out some resistors or somehting right?
yea i changed out the final and turned some of those dials in there and had to do some kind of jumper wire... i got the info on how to do it off some website.

but as far as antennas i have had the best luck with stainless steel whips IMO
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Old 03-18-2011, 12:23 PM
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Yeah, mine was just a standard tune up. And yeah a whip is the best if you dont mind having it on your truck. Like the looks of fiberglass myself
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