Question about Cherokee CBS2100 40-Channels Base CB Radio

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Hearing loss I have a Cobra 25ltd in my truck with a 5Ft fiberglass antena i can hear people and talk but my friend is 5 car lenghts in front of me and i cannot hear him and he cannot hear me. He is running a cobra cb with a 2ft mag mount with stainless steel whip.

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If your setup is able to rx and tx with no problems, sounds like his coax or antenna is bad. First, I'd try out his radio in your vehicle, since you know yours is working good. Just to see if it rx and tx good. If so, I would check his antenna and coax to see if they are good.

Rollin CBs

Posted on Jan 25, 2008


Id say poor quality antennas or very high swrs

Posted on Oct 05, 2007

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Well some times that happends to me with others in front of me it creats its own black spot and neither of you guys get frequency

Posted on Oct 03, 2007

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I have my cobra hooked up to a 5 foot fiberglass antenna an when my friend goes down the road I can only hear him for a mile but when he is sitting next to me he is picking up from 40 miles away with him...

Use a 8.5 feet(102 inches) That would be the size of this whip. One thing to do put it up high in the air in 15,30,45 feet lengths. Have heavy grounding like 4 metal rods drove into earth 6 ft. use a tower and also ground it to a big metal filing cabinet or water pipes. I found that your Electric meter box is grounded real well. Use big low loss coaxial 50 ohm in the lengths 9,18,27,36. Your hearing is through sometimes ground planes. Lets say you use a tower or Tv pole 30 feet. Mount your 102" in. whip on top- seperate it from 4 ground prongs by rigging PVC pipe in between. Make 4 Ground planes about 5 feet go out North,East,South,West. Run 30 feet of coax to your house. It should pick up better an transmit better. Check SWR (1.5 or so) SWR Varies 1.1-2.1 ratios. I never had no problems talking on mine 5 to 30 miles away. Turn up receive inside radio. Its near front ; may be white variable or chrome with screwdriver slot. Take speaker side off and look near left handside front when radio is upside down.

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Well i dont really know much about this cobra 20 plus cb lol i know its old. but im trying to see if it is working well i got it hooked up to a battery and the antenna plugged in and it comes on but im not...

check the speaker it may be dry rotted and not working.use an external speaker. depending on the time of day you probably couldn't reach any one any way Get a friend to talk on another radio while you listen and then let him listen for you.

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Non grnd steel antena

I assume your coax is not hooked up properly or you have some kink of a short in your antenna connection ( thats if your cb is working properly ) Radio Shacks Information that suggested that the 102" whip is the perfect antenna is their opion only as I prefer to recommend a full wave antenna system to my customers, but I do assure you, the 102" whip does work well if it's properly installed. I have found the main problem in the 102" whip installation is when the center hole is cut to install the antenna, it's not cut big enough, which grounds the antenna. It's not suppose to be grounded in any fashion to the automible chassis. The ground of this antenna comes from the 3 screws mounted around the outside of the antenna mount. Check that for sure. If you can't correct the problem. write me back at this web sight of direct at Good Luck
NC Electronic
Mills, Wyoming

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