Question about Cobra 29 LTD CB Radio
I just put my cb in my truck and a new k-30 magnet mount ant. the swr is reading 1 but i can't hear another cb more than a half mile away please help
Bad ground but the time of day is also a factor. If you are trying to talk when there is a lot of ground noise you may not get out more than a half mile or so.
Posted on Feb 16, 2015
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Posted on Jan 02, 2017
SOURCE: Cobra 29 ANT light
I believe it to be feedback but be aware of your Standing wave ratio because using a linear amp radiates signal to the point that it could cause that light to come on. There is a problem if the radiated signal is feeding back into the amp a a higher level that it can withstand over time.
Posted on Sep 09, 2007
SOURCE: swr meter not moving.
If the radio is working don't worry about the meter unless you absolutely want it. These little meters are not very accurate or reliable. Get an external SWR meter to check the antenna.
Posted on Apr 23, 2009
SOURCE: cobra 29 ltd classic ant light
Your SWR is probably NOT fine. You need to use an external meter if you have had work done to the radio. Especially if you have had a swing mod done to the radio. When you do this, the dead key of the radio is lower then the calibration knob on the radio can adjust for. It will always come up lower then it actually is.
Your radio might have been fine before the work was done on it because it was putting out very little power. Now you are most likely putting out 50 watts or more. Big jump from 4 watts.
When your raise the power in a radio, you will notice more when the antenna is not properly tuned.
In most cases with a stock CB, even when the antenna is not even near tuned, you will get a reading less then 1.5 anyway.
the more power you put out, the more important it is to have a good match.
But an external SWR meter, and check it. be careful if the ANT light is on.
You might also want to check your coax, connections to it, and your antenna for anything wrong.
Posted on Apr 24, 2009
SOURCE: Cobra 29 SWR, cal meter
Rule of thumb is go by what the manual tells you. providing it is the manual that is for the radio.. that is why they make manuals for that particular radio a 1-1 to a 1-2 swr rating is really good providing you have no saturation on the internal filter. over saturation due to swr being set too high will eventually burn out the finals of a radio
i have delt with radio's for about 17 years now so i really suggest consult the users manual and always use only a authorized dealer for that particular radio just like my cobra 2000 i am not going to send it to a shop that just does radios i want a authorized cobra dealer ok i hope that this really helps ok please dont forget to give this solution a rate for me it helps me out so i can continue to help out others like yourself.
Posted on Aug 23, 2009
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