Question about Cobra 29 LTD CB Radio

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Cb radio The cb is very noisey only works at close range

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  • Anonymous May 05, 2008

    how do i get more then 4 watts out of 29 ltd classic cobra?


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Go onto google and search Cobra 29ltd schematics and find where the squelch level and your AMC control is at Automatic Modulation Control. It should be Vr4 for the amc turn it up all the way clock wise with the radio facing toward you then back it down so your not over modulating. Then when you find the squelch level you can turn it down to qiuet it down.

Posted on Jan 26, 2009

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By law 4 watts is all you are allowed. Sure you can get it set up for more but it will cost ya 50/60 bucks or more.
What is the need? You should get at least a 5/7 mile range under good conditions.
Who needs more?
Too many CB Rambos out there anyway,or else nobody say's a word,just a different generation out there now.
The truck school drivers,who hit you with their high beams when you pass them....Stupid Morons!!

Posted on May 08, 2008

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2 Answers

Can you expand the freq. range of the cobra 25 CB 40 channel radio


Yes its possible to do with the EXPO kits.. or an eeprom. but beware of the FCC rules please. RX purposes' only not to be used for Transmiting..

May 05, 2013 | Cobra 25 LTD 40-Channel CB Radio

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What antenna for what cb


bad ground/bad swr/any antenna will work on any CB radio as long as its an antenna for the CB range.

Oct 11, 2012 | Radio Shack Powered ON TRC-444 40- Channel...

1 Answer

I can only tranmitt in close range, as i move away i lose thier signal. no one can hear me unless im right next to them.


Antenna choice is the most important step in for cb radio or any receiving radio,without knowing what you have or the way it is mounted,you must make sure it is made to be used for standard cb radio,channels 1-40 with or without sideband,if that is what you have.No matter what you have the antenna most likely will have to be adjusted to your radio,having the radio's operating manual or antenna manual/packaging would probably provide some insight to this.There is a wealth of info for SWR adjustment of antennas online,just search it.A well trusted cb repair shop would be the best step,they can get you operating to the best of your needs,obviously bring vehicle with the radio setup..Hope this sheds some light on your situation.

Sep 04, 2011 | Cobra 29 LTD CB Radio

1 Answer

I got one of these at a garage sail for really cheap, i was checking to see if it worked at home. I have a scanner and found a channel that my scanner picked up. Well as soon as the scanner gets about 6...


just because you hear it on the scanner,doesn't mean that the scanner is on the right frequency. You might just be getting RF saturation because you are close.

Most scanners do not cover the 27mhz range which is what a CB is on. If your scanner is no in 27mhz, then you are just getting RF saturation, and its just bleed over. 27.185 is channel 19 on a CB.

The radio probably works fine. You will need another CB to really test it.

set it up in a car, with an appropriate antenna, and a proper SWR reading. (antenna needs to be tuned to get a good swr) and then go on channel 19 while on a highway and say, "Break one nine for a radio check." if the radio is working some one will tell you "Its working." You will most likely hear truckers on the radio before you even say anything.

Sep 18, 2010 | Cobra 18 WX ST 40-Channels Base CB Radio

1 Answer

Please explain a 10 meter am/fm radio


Okay.

You do set this up like a regular CB. The meters refers to how long the waves are. CB is 11 meters. So its very close. The antenna woud be tuneds slightly shorter. Use the SWR meter in the radio to calibrate just like you would a normal cb.

Now for the ABCDEF knob. each letter is 40 channels in the band. So A would be 1 - 40 channels, then B would be the next 1 - 40 channel frequencies. You use the frequency counter in the radio(providing that model has one) to tell what channel you are on.

Here is some info one the frequencies in the band.

Now for AM and FM. this is the type of modulation you are using for transmit and receive.

CB transmits on AM or SSB. Amplitude modulation or Single side band. Most CB radios only have AM. But some also have SSB. None will have FM.

FM is frequency modulation.

10 meter radios can have AM FM SSB and DSB depending on the model and options it comes with.

So your radio has 6 ranges for freqency. each is 40 or 50 channesl. Not sure what model you have. If it has 40 then you have 240 channel freqencies.

with AM and FM, you double that, because you can talk on AM or FM on all the channels. If you are on AM and some one transmits on FM unless they are really close, you will not hear them at all, but if you do with will just be garbbled noise.

Also Am and FM both work a little different with range etc.

Now, you may be able to talk on the CB channels as well. Cb starts at 26.965 MHz and ends at 27.405 MHz. The channels are all .010 MHz appart.

Hope this helps

Dec 09, 2009 | CB Radios

1 Answer

I just purchased a uniden solara dsc.I HOOKED IT UP AND THE NOAA WORKS BUT I TRIED TALKING AND NOTHING HAPPENED.(I have a tractor with a radio and neither of us could hear each other).


The Uniden Solara is a MARINE RADIO not a CB. Marine (boat) radios operate in the VHF-Hi range and CB is in the VHF-Lo range. You also need a license to operate a marine radio, or you can identify yourself with the name of your boat but you MUST be in the water.

Jun 20, 2009 | Uniden OCEANUS-DSC-BK Base CB Radio

1 Answer

Transmission only in close range when mic needle goes to far rt


Make sure your Antenna SWR reading is 1:2 or better, also have your antenna as hish as possible with a sufficient groundplane and remember that indoor antennas will not be anywhere as efficient as an outdoor one. If you have lots of surrounding buildings or trees this can effect your TX and RX.

Dec 27, 2008 | Cobra 29 LTD CB Radio

1 Answer

Static


Hi,

CB radios use a frequency range and technology that is prone to noises both atmospheric, and man made. The height and gain of your new base antenna may produce more static than you may have noticed before. The question is 1) is the antenna close to any power lines to your home, 2) do you notice any increase or decrease of received signals compared to your mobile, 3) is the static steady or does it come and go.

Nov 07, 2008 | Radio Shack TRC-503 CB Radio

1 Answer

Codra 29ltd clas. trans and receve only at close range


Try a different antenna. In my opinion, Moonraker antennas are the best. However they are the biggest of all CB antennas. They're smallest antenna measures close to about 40ft long. They're made for long range communication. They are pricey but well worth it. I recently got a Moonraker for my Galaxy DX2517 base station, it has a 50ft metal whip with power supply box which increases the output power. I can talk all the way to canada just using the pure power of my radio, and I live in Virginia. I'm telling you, if you get a Moonraker, you're set for life. And about your radio problem, umm, it might be your antenna, sometimes when you have a dual antenna input, it messes with the modulator and the frequency amplitude. It's best to just have one antenna.

Hope this helps!

Oct 13, 2008 | Cobra 29 LTD CB Radio

1 Answer

Cobra 25LTD classic


that is called feed back turn down your mic gain and it will stop squelling when close to others.

Sep 27, 2008 | Cobra 29 LTD CB Radio

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