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Old 03-07-2013, 09:28 AM   #1
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CB radio antenna question

The previous owner of my coach installed a CB radio which is fine but what bothers me is how he mounted the antenna. He glued a small metal plate to the roof on the driver side over the slide-out and stuck a magnetic antenna on it, then he ran the wire through the slide out seal into the coach. I don't like this set-up as I'm afraid it will cause a leak. There is a factory whip style antenna mounted in the center of the roof over the cab. My coach has the entertainment center over the cab with cabinets and TV in the center. I can see the wire coming from the factory antenna as it passes through the ceiling. It's not connected to anything so I thought I'd use that as my CB antenna and remove the other one. The problem is the end of the antenna wire terminates with a fitting like a cable TV coax. I need a fitting to go on that or cut it off and install a CB radio fitting. Anyone see any problems with this idea?

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Old 03-07-2013, 09:42 AM   #2
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Hi ToothDoc,
Welcome to iRV2. If the wire is really a CB antenna wire, consider going to Radio Shack. They have adapter connectors for just about anything. You will need an SWR meter to matched the antenna to the coach installation.

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Old 03-07-2013, 09:10 PM   #3
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I would bet that is a regular AM/FM radio antenna - not a CB antenna.
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Old 03-07-2013, 09:15 PM   #4
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Originally Posted by lenp View Post
I would bet that is a regular AM/FM radio antenna - not a CB antenna.
I think you will win that bet.
2008 Bounder 38P F53 24/30K V10, 2013 Kia Soul Basic 6 speed manual, Ready Brake Elite tow system (previous equipment 1996 Pace Arrow Vision w/Acme Dolly)
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Old 03-07-2013, 11:14 PM   #5
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Originally Posted by lenp View Post
I would bet that is a regular AM/FM radio antenna - not a CB antenna.
Vince and Susan
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Old 03-08-2013, 08:27 AM   #6
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Found what I needed at Radio Shack. I'm sure it is an AM/FM antenna and not a CB antenna but I hooked it up and it receives a signal to the CB so I'll stick with it for now. I'm planning to change it out when I perform maintenance on the roof later.
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Old 03-13-2013, 09:56 PM   #7
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You should check with a CB shop to see if a non-loaded antenna will cause any damage to your radio. I'm not an expert but I seem to remember that being an issue.
Tom in AZ. Navion 24M
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Old 03-14-2013, 06:42 AM   #8
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You'll be fine to listen to your CB but do not key your mike because you more than likely have a high swr with that antenna and it will not help your radio.
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Old 03-16-2013, 04:25 PM   #9
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If you guess and hook your CB up to just any old antenna, like the previous post said, you can listen probably just fine. But you will burn out the outputs of the CB if you transmit. Why have a CB if you can't use it for emergencies? When you change the antenna be sure to install one that does not require a ground plane. Ground plane is the metal of a vehicle normally, and it is half of the antenna. If you get a RV , boat, or other 1/2 wave antenna designed for no ground plane you will be fine. Such an antenna will likely be 3 or 4 feet tall, and in the middle of your roof could be a problem with height?

I agree, running a wire through the slide gasket makes me cringe! Smart move eliminating that risk. Water is the RV'ers #1 enemy I'm surprised someone would do it that way.

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antenna, radio

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