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Old 01-14-2008, 09:25 PM   #15
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Location: Saratoga, CA
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Jim&MaryJo:
Thanks for all the responses so far.

I was aware of the groundplane issue, but didn't know how/if WRV mounted the antenna to achieve a ground.

On my 04, I've seen most areas where they might have coiled coax and haven't found any.

Tom and Patty,
I'm wondering whether bad tuning and excess RF energy from the cb cable is affecting certain dash,smartwheel wiring run close to your CB cabling??

Right now, I seem to have much less than 1 mile line of sight range.

Just ordered an SWR meter (~$20 shipped, eBay). Guess I'll give it a go. </div></BLOCKQUOTE>

I have not had any problems with any other controls on my smart wheel at all.
I do remember there was excess cable wound up under the dash. I uncoiled it as best I could.
You might have a problem with the conector at the antenna or at the radio. I would unscrew the cable at the back of the radio and make sure the center wire is pluged in without bending. If that looks good, you should check the conection up on the roof. Make sure its conected in the same manner and it is tight.


Dan and Patty
"04" Alpine 34' FDDS
Saratoga, CA
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Old 01-15-2008, 03:03 PM   #16
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Location: Washington State
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I have the same problem on my '06. I took the coach to a truck stop CB shop in Federal Way, WA, that I have been going to for years with CBs, and they do an excellent job. They did the best they could with the factory antenna and cut it down in 1/4" increments until it was about 1/2 height, and it was the best they could do with their meters. It is better, but it's not good for more than about 3/4 mile range.

They traced the cable up to the antenna and removed the kinks in it, but it didn't help.

The CB shop mounted two of their best antennas and couldn't do much better than the factory, so we went back to factory antenna. They also said the same thing -- not enough ground plane with the aluminum bracket that holds the radio antenna and the CB antenna. Suspect it's the same reason I don't get much AM radio reception but do fine on FM.

Anyway, I think Mule Skinner's approach is the best if you want more range. On my boat I had a no ground plane antenna made by Shakespeare with the VHF and it worked fine. So I'm going to follow his advice and see if I can find a short boat antenna and try it.

Former Owner, 2006 36MDDS
2010 Arctic Fox 22GK Travel Trailer
2007 Toyota Tundra
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Old 01-15-2008, 05:41 PM   #17
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Thanks for all the advice guys.

I checked and found several marine-type and no-ground antennas. Problem is everyone of them came with a "tuned" cable and I really don't want to re-run the coach cable.

ALso, the shortest Shakespere I found was 3'. I don't remember the height of the factory antenna, but I recall it was pretty short. Found one for ~$25 on eBay.

I'd be happy with 3/4 mile range, so I'll try to improve the impedance with an swr meter.

2004 Alpine 34 FDDS
Anaheim Hills, CA
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