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I need to buy a swr/signal/power meter for a cobra uk29ltd st cb but having trouble locating dealers

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Hello your best choice is to go onto ebay you will find them there alot cheaper as long as its a 26-28mhz swr metre it will do the job for you ,retail at £25.00 goodluck

Posted on Mar 26, 2011

  • Steve Tompkins
    Steve Tompkins Apr 04, 2011

    Go to WWW.COPPERELECTRONICS.COM ---look up Hf meters,Cb equipment.

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1 Answer

On my Cobra 29 LTD ST it has a switch marked with


Most people leave it on S/RF as this allows you to see incoming signals and your relative output power on the meter. If you are experiencing intermittent SWR issues, I'd leave it on SWR until the problem is identified. S/RF for most times. :-) Mr. 44

Aug 26, 2014 | Radio Communications

1 Answer

My cobra 18 wx st comes on and goes tru all channels but has no noise at all coming thru it. none of the signal strength lights come on or anything. its brand new.


Sounds like a antenna issue. Make sure coax is in good order.and antenna is connected properly. You might have to get a "swr" meter to put in line between radio and antenna to make sure antenna is "tuned" to were the radio is operating. Radio shack sells a ok low budget swr/power meter.

Nov 09, 2012 | Cobra 18 WX ST 40-Channels Base CB Radio

2 Answers

How to match a antenna to a cobra 29 LTD Classic


You are actually tuning the antenna to the vehicle it is mounted on here are some very good resources. http://www.rightchannelradios.com/pages/cb-antenna-tuning-guide-pv-c0-61.htmlhttp://www.wilsonantenna.com/swr.php

Be aware that if your radio has been modified it may produce a dirt signal that an swr meter may read as reflected power. In this case it may be more accurate set with a unmodified radio also if your radio is setup for a linear it may have a deadkey to low for the swr meter to calibrate correctly.
Hope this was of help.

Nov 26, 2011 | Cobra 29 LTD CB Radio

1 Answer

I have a Cobra CB Radio and was wondering if I have it on SRF or SWR or CAL


S/RF/SWR/CAL SWITCH. When in the S/RF position, the meter swings
proportionally to the strength of the received signal. When transmitting,
the meter indicates relative RF output power.
When in the "CAL" position, the SWR meter can be calibrated by adjust-
ing the "SWR CAL" control to the "CAL" mark on the meter face.
When in the "SWR" position, the standing wave ratio is measured.

You will want to operate on S/RF position.

Jul 14, 2011 | Cobra 29 LTD CB Radio

2 Answers

Everything works but can only send and receive within 50 yards of other radio


check swr's and the antenna installation. if all is good. have the radio checked out. ITS should be FREE!!!! to see if it has any rf power out put could have a bad rf final transistor.....

Feb 04, 2011 | Cobra 29 WX NW ST 40-Channels Base CB...

2 Answers

Cobra 18 wx st receives-wont transmit


Take the cover off, flip it over solder side up, check all solder joints for cracks, cold solder joints, check the safety diode where it comes in the radio, before I go further, can you pick up the weather channel?...Does the PA work?...need to check the pre-driver and finals,audio chip, hook up the power meter using a coax three foot jumper from the output from radio to the input of the watt meter, then the antenna, first check the SWR, on the scale on the meter to cal/swr mode,adjust it to spec, then while still keyed down turn the dial to SWR,if it is the safe range your ok,then turn the Dial to 10 or 20 watt scale and key the mic. Does it have any wattage? If not suspect the finals, they are located on the back rail, if it does have RF then its the audio chip, its located on the right side rail facing you,closest to you.remove it and replace it with same ....hope this helps....

May 21, 2010 | Cobra 18 WX ST 40-Channels Base CB Radio

3 Answers

My 18 WX ST Cobra CB radio will allow me to receive sound from the 3 weather stations it has on it, but I cannot pick up sound from other CB radios. help please?


get an swr meter and check your antenna first. if good problem may be in the circuit board.. they are famous for loose IF, TX mixer boards. or call us

Nov 03, 2009 | Cobra 18 WX ST 40-Channels Base CB Radio

4 Answers

Cobra 18 wx st cb problem


Sounds to me like your finals in the rig have blown stopping you using the CB mode, Either that or you have a loose connection on the power output inside the radio.

Mar 15, 2008 | Cobra 18 WX ST 40-Channels Base CB Radio

1 Answer

29 help


hi, sounds like you have a problem with the SWR' S Probably too high. Tumbleweed01

Mar 12, 2008 | Cobra 29 WX NW ST 40-Channels Base CB...

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