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Old 07-31-2013, 06:19 AM   #11
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CBs Can be real entertaining at times listening to the truckers mostly not suitable for the ears of small children............. Smokie reports can be good.............
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Old 07-31-2013, 06:45 AM   #12
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I use mine all the time, mainly for traffic info...what lane to be in during a closure etc. It saved my bacon routing me away from the Washington DC outer loop last summer.
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Old 08-02-2013, 09:03 PM   #13
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Well I'm certainly glad I'm not the only one using one. I've been considering putting one in my Powerstroke, but didn't want to be the odd duck (Rubber Duck good, odd duck not so good). I think I'm starting to show my age.
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Old 08-02-2013, 11:26 PM   #14
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I have one, left over from a pick-up I used to own. Since I used the truck to commute about 18 miles from home, I never used it. I've given some thought to installing it in the MH, but question the usefulness.

Also, I'm not up to speed on antennas. The one off the truck attached to the fender alongside the hood and has a cylindrical doo-hickey about half way up. Would this work on the side of a fiberglass motor-home?
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Old 08-03-2013, 11:08 AM   #15
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Quote:
Originally Posted by F and E Damp View Post
I have one, left over from a pick-up I used to own. Since I used the truck to commute about 18 miles from home, I never used it. I've given some thought to installing it in the MH, but question the usefulness.

Also, I'm not up to speed on antennas. The one off the truck attached to the fender alongside the hood and has a cylindrical doo-hickey about half way up. Would this work on the side of a fiberglass motor-home?
Don't think so as mentioned in earlier posts need a metal ground plane and fiberglass doesn't meet that requirement. The cylinder on antenna is a device to make the antenna the right wave length. If i remember correctly a quarter wave length on cb freq. (27 megahertz) is like 72 inches and yours is probably 24 inches or so.
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Old 08-07-2013, 12:42 AM   #16
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I was able to install a conventional CB antenna on my Georgetown 373 by utilizing the vertical metal frame where the fiberglass nose cap meets the side body. This large piece of metal is sufficient to act as a groundplane for the antenna, avoiding the need for a no ground plane antenna. The metal frame can be seen by removing the plastic trim on the interior along the windshield.

The tricky part is to keep the coax braid to the metal frame as short as possible. In my installation, the braid is about 3 inches long where it is separated from the coax just before the antenna mount. Since center conductor of the coax goes to the antenna mount, this limits the location of the antenna installation. The antenna performance and VSWR are excellent.
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Old 08-07-2013, 06:17 AM   #17
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We too travel with a group, so we all use them so we can chat as we go. We do not stay on the truckers channel (19), we use another where we are normally the only conversation.

Ours is configured to be totally portable. We have a cigarette lighter plug on the power cord and a magnetic mount antenna. When we are travelling with the group we throw the antenna on the roof, lay the radio in the middle seat, plug it into the cigarette lighter and we are good to go. When we don't need it, we place the entire assembly under the rear seat, out of the way. Takes less than a minute to set-up or take down.
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Old 08-07-2013, 06:22 AM   #18
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I would not swear an oath, but I believe I have seen mirror mount base plates for magnetic mount antennas at truck stops. For those with fiberglass units that wanted the magnetic mount antennas. You could use a base plate and run a ground wire back to a frame ground.
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Old 08-07-2013, 03:52 PM   #19
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Ground Plane vs. Chassis Ground

Quote:
Originally Posted by PapaSmurf View Post
I would not swear an oath, but I believe I have seen mirror mount base plates for magnetic mount antennas at truck stops. For those with fiberglass units that wanted the magnetic mount antennas. You could use a base plate and run a ground wire back to a frame ground.
The mount you describe would probably work on a metal vehicle with a metal mirror mount, but not on a fiberglass body vehicle such as a motorhome.

There is a big difference between a vehicle chassis ground and an antenna ground plane. The antenna ground needs to act as a counterpoise to the antenna. That was the reason I had to keep the coax braid so short where it separates to connect to the antenna mount. In my installation, the vertical metal frame the coax is attached to probably acts more as half of a vertical dipole (the antenna being the other half) rather than a ground plane.

Almost any vehicle antenna is going to be a compromise of some sort.
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