Cobra 29 LTD CB Radio Logo

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Anonymous Posted on Oct 11, 2011

-wilson antenna installation diagrams for, Wilson Trucker2000 - display pictures of exactly, how antennas appear when being attached with coax cable, using stud mount between coax & antenna mount... - Show me detailed Diagrams of Wilson2000 attached to the coax cable, using mirror mounted bracket, on semi-truck, outside mirror arm

1 Answer

Mike Charette

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  • Cobra Master 1,847 Answers
  • Posted on Dec 22, 2014
Mike Charette
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Joined: Sep 24, 2009
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I have a wilson 5000 mirror mount. I mount it on the drivers side mirror on the upper cross arm that goes to the mirror. It is mounted on this arm with a bracket and a so 239 connector so I can undo it if I have to ,leaving the antenna connected.I can change coax and not have to worry about undoing the antenna. Remember one thing. The antenna has to be checked for SWR.each time you move it to a different spot or to a different truck.

5 Related Answers

Anonymous

  • 1139 Answers
  • Posted on May 14, 2008

SOURCE: CB transmission

Hello 64driver,

Make sure the radio is grounded properly and that the SWR is around 1.2:1, 1.3:1 is good but try to get it to 1.2:1. Also take a power output reading while keying the mic. To do this with your power meter put it in-line with the CB and your antenna and key the mic you should get about 4 to 5 watts PEP. If this is the case your unit is putting out the proper power level, if not have the power amplifier checked by a qualified repair shop.

I hope this helps

Shuttle83

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Anonymous

  • 6966 Answers
  • Posted on Jun 15, 2008

SOURCE: cobra 29ltd cb radio

Hi,

A couple of suggestions:
1. verify that the RF Gain is maximum clockwise;
2. verify that the ANL or noise limiter is OFF;
3. pls add a ground strap from the body of the Cobra 29LTD to the chassis/GND of the vehicle or to your house GND connection;
4. Verify that your Wilson 5000 has a sufficient ground plane such as roof or metal objects.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Goofguyster

Layne Johnson

  • 379 Answers
  • Posted on Sep 14, 2009

SOURCE: poor receive with my Connex 3300 HP radio

get a K-30 antenna ist magnetic if that dont work your speaker in the Cb is broken

Anonymous

  • 6966 Answers
  • Posted on Dec 20, 2009

SOURCE: tx problems on a dx 98 vhp

Hi and welcome to FixYa,

Initially, determine if the needle will deflect signifying power output when switch to PWR:

  • if yes, then check continuity of coaxial cable as well as grounding of antenna mounts;
  • if no, then the finals and driver would require further looking into (8 X IRF520).
Additionally, check the 2 30Amps fuses

Good luck and thank you for asking FixYa.

Testimonial: "am happy to see some folks who know bout this radio and a quick response to boot tyvm maxx"

Anonymous

  • 1274 Answers
  • Posted on Mar 12, 2010

SOURCE: Red RX/TX and red ANT light on my CB

Well,first hand ,some cobra radio,s have red some have green RX/TX lights, but are you modulating? Some green lights turn red. What is your standing Wave on the antenna,s? You need to check it and the output of the radio. To do this you need a watt or field strenth meter. Can get one at Radio Shack. Your standing Wave is ok as long as it is below a 2. That has to be done on the antenna. ..hope this helps...

Testimonial: "Thx the rx/tx light is supposed to turn red I found out. Still trying to get the antenna prob fixed though."

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Related Questions:

0helpful
1answer

My Chevy pickup factory antenna for my serious

Wilson electronics makes a cb looking GPS antenna you can mount the antenna to camper disconnect the coax with the camper and run an extension coax to the bed of truck for the dis connections.... then plug into your SIRIUS Radio to that extension coax..
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Grease under the Coil of a Wilson 1000 CB antenna

Animal greases and Metal grease will conduct electricity. I use silicone grease for my receiving antennas.
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I have a cobra 29 ltd the red antenna light was coming on replaced the coax with 18' coax have Wilson 2000 antenna calibrated radio red light still coming on and and swrs not staying consistent when...

Best way to locate the problem is connect the radio to a Dummy load known to be good====if swr still comes on it is in the radio--if not in the antenna system.
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Uh400sx shows on screen as every channel busy

Busy can indicate a incoming signal or your receiver sensitiviity to rf which could be a poorly shielded coaxial cable.
Check antenna and coax connections for moisture, or corrosion. This could be a poor ground issue at antenna mount or bad coax or antenna.
If this is a magnetic mount antenna i am not surprised they are a waste of time but if you must the Wilson Little Wil would be the choice.
Goodluck
0helpful
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Having trouble setting swr .moved anttena up and down 1/4 inch at a time and there is no change

There are several things that can cause you not to be able to get an acceptable SWR.

The first is the most obvious. Poor antenna, or bad coax. Make sure your coax is good. Make sure the antenna is mounted in a good location.

Some things I have seen that cause this problem.

  • Wilson Little wil, almost impossible to get under a 1.6 SWR.
  • Fiberglass antenna's, a break in the wire near the top of the antenna. Will show the antenna as being too short, and adjusting the top will do nothing. This antenna is no good.
  • Common mode current. This is when the RF is traveling back down the outside of the coax, and or causes the coax to act like part of the antenna. SOLUTION. As close to the antenna as you can, take 6 to 8 inches of coax, and coil it into a tight coil, about the diameter of a spray paint can. In fact using a spray can to wrap the coax around works well. Use electrical tape to secure the coil so that it will stay tight and uniform. This will stop common mode.
  • missing foil/vinyl membrane on bottom of magmount antenna. This is essential for the antenna to see ground plane.
  • bad connections on coax connector.
  • Cracked isolator on stud mount.
  • incorrect procedure for taking SWR reading.
  • Poor location of antenna. E.g. antenna's load not above roof of vehicle.
  • Incorrect length whip being used.
  • corrosion of any part of the antenna system.
There are some cheap antenna's out there that you just can't get lower then say a 1.5 or worse, like the wilson little wil. Wilson makes great antenna's. The 500, 1000 and 5000, as well as their silver load antenna's are excellent. I have been able to get them all to at least a 1.1 SWR, and some like the 5000, and silver load fiberglass whip to 1.0 using an analyzer. The Little will is just a poor antenna. Anything under 2.0 SWR is okay of a barefoot radio, although I don't like going over 1.5 my self. A barefoot radio, will do a 2 swr all day. If the radio is stock, and not peaked and tuned, 2 swr is fine and won't hurt the radio.

You should always try to get the lowest SWR that you can in any case. The lower the SWR, the more RF energy is leaving the antenna. As well, receive will improve the closer you get to a perfect match. This is known as being "On Que".

Check everything I have listed that applies. And if nothing fixes it, you may want to try a different antenna. Some antenna's just don't work well on certain vehicles.
0helpful
1answer

Cb radio

As for me ,the Wilson 1000 or Wilson 2000 are the best mobile antenna for a mobile. I have out talked a lot of base antennas with them, just put it on the top of car in the center or trunk, or middle of cab of truck, with a good SWR and you are talking and receiving. great antenna. ...hope this helps..
1helpful
1answer

Setting SWR

hi ken, SWR has nothing to do with your power supply, Standing wave ratio, It is the amount of power which is reflected back to the radio when transmitting, If you have a SWR of 10 or over on a wilson 5000 I would imagine you have a short in your feed line[coax].
I would replace the pl259 connector and check the coax for damage.
Paul,.
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Poor receive with my Connex 3300 HP radio

get a K-30 antenna ist magnetic if that dont work your speaker in the Cb is broken
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Swr low on lower channels

Connect a standard mobile antenna to the set and see if you have normal tx / tx/ audio out...if this is all aok you have a problem with the antenna / antenna equipment / installation/
GOOD LUCK
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