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CB Tuning Issue

Posted: Mon May 01, 2017 7:59 pm
by DaThug
Can someone help me tune my CB. I have the meter, ran through it when I bought it and got it in range but still have issues. We noticed at 101 that we could hear Ralph talking without issue but not other people talking to Ralph. We were only 2 or 3 jeeps behind Ralph, guessing its not tuned correctly.

thanks

Re: CB Tuning Issue

Posted: Mon May 01, 2017 8:30 pm
by RalphTomaccio
Marcy,

I moved you CB tuning post to a separate thread so more people can see it and, hopefully, get you responses faster instead of being buried in a run thread which had nothing in common with your needs.

Re: CB Tuning Issue

Posted: Mon May 01, 2017 9:28 pm
by Modeler
Marcy,
Tuning has no effect on reception only transmission. Could you be heard by others clearly? Items that would effect reception are grounds and connection contacts being clean.

Dave

Re: CB Tuning Issue

Posted: Wed May 03, 2017 11:42 am
by bobalama
Hope you got it figured out. I had a lot of issues with getting my SWR under control ... I ended up grinding most of the finish off the antenna mount around the mounting holes which fixed the problem. Turned out to be grounding - apparently that's the usual cause of SWR issues. The mount is all rusty now but whatever.

Cobra 75
Firestik 2 ft antenna
Firestik coax
Teraflex mount

Re: CB Tuning Issue

Posted: Wed May 03, 2017 2:19 pm
by ASauer17
Here's my question -- did you tune it properly? Legit go to an open field with nothing around you?

Re: CB Tuning Issue

Posted: Wed May 03, 2017 5:02 pm
by Clarke6677
How tall is your antenna also check grounds I had to run an entirely separate ground wire for mine

Re: CB Tuning Issue

Posted: Fri May 05, 2017 8:48 pm
by DaThug
Just back back here to check in..

@Ralph I had put it on that thread thinking someone at the run might be able to assist.

@Dave Thanks, I didn't know it was about transmission. Yes, when tested that day I was able to be heard. I just couldn't hear anyone not near me. I have a dremel and I did grind off a lot, but perhaps not enough. maybe ill just buy a new mount that isn't powder coated at all.

@ asauer17 No I didn't, I did it in my driveway in the middle of the day with no one around.

@Clarke I have a 4" firestik and no ground wire.

Since the issue is with reception, looks like I need to improve the ground.

Re: CB Tuning Issue

Posted: Fri May 05, 2017 9:28 pm
by Modeler
Then, it may be as simple as your Squelch is turned up too high. It would "squelch" out the a lower powered signal. To adjust properly, turn the adjuster down until you hear static constantly (engine should be running to account for interference from the electrical system and the engine), then turn back slightly until the static goes away.

Re: CB Tuning Issue

Posted: Sat May 06, 2017 10:35 pm
by Clarke6677
I have the exact same antenna and had to run a ground to get it to work properly

Re: CB Tuning Issue

Posted: Mon May 08, 2017 6:55 am
by DaThug
The winner is... Squelch adjustment. It's the same knob as the volume and I think it got turned at some point on the first run. I've never used a CB so no idea what to even look for. I adjusted it yesterday and could hear everyone on the run.

thanks all

Re: CB Tuning Issue

Posted: Mon May 08, 2017 7:24 am
by RalphTomaccio
Way to go, Marcy! You did a great job wheeling yesterday.

Re: CB Tuning Issue

Posted: Mon May 08, 2017 9:12 am
by Modeler
Anytime, glad to help.