Hear MORE SIGNAL! The Easiest way To Reduce CB Radio Noise!
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- Опубліковано 12 вер 2024
- Ground your radio! Hear more Signal!
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What are the numbers on the capacitor you used?
0.068 microfarad capacitor
Add it to the middle connection on your volume pot
Then attach the other side to a ground point (like the square metal cans you see in your radio)
Copy that thanks
95% of your radios performance is how your antenna and coaxial cable are set up
I know it's pretty randomly asking but does anyone know of a good site to watch new series online?
@Noe Caden try FlixZone. You can find it on google :)
But it doesn’t fix the problem
@@noecaden5307 it's called shut up and go away
What if you use a mag mount does that same logic still apply?
Great video--hard facts and provides good opportunities to talk about the little things that can help performance and/or frustrate the heck out of your CB fun. If you have an outdoor antenna--and the body of a car is "outside"--then at the least, there will be static charges that build up on the hot side (the radiating element) and the low/ground side (base, coax shield, connectors, and the car body itself). At the most serious, a nearby lightning strike will induce a dangerous charge on an outdoor antenna. As those static charges rise and fall, or discharge to the ions in the air, you will hear noise in the radio. A well developed charge can zorch (technical term) the front end of the receiver and ruin some of the vulnerable parts on the circuit board. It's best to ground the radio for this reason. Ground everything that is supposed to be at ground potential to the same "ground"--something that acts as a ground--that is, that will act like the earth and absorb surplus + or - charges. Not easy. The car/truck body is big and metal, but it's floating on (you guessed it) RUBBER tires. So do the best you can. At home, ground to the ground on your power supply (is that the negative terminal, the ground lug, the chassis, or all of those?) . Careful: If the negative terminal is floating then determine how to properly ground it (because the radio's negative connection is probably grounded inside the radio. Everything that is supposed to be "low" should be at the same exact zero voltage--that's zero voltage DC, too. Then you don't have noisy--and dangerous--static discharges. The comment about mag mount antennas is right: the antenna base is not necessarily DC-grounded to the car body. So, neither would the antenna coax be at DC ground, either. Fix that. By the way, it's hard to find a good connection to the mass of the car body for grounding purposes inside a typical car or truck. (For example, the car door isn't necessarily connected adequately to the rest of the car body, despite being mounted via the hinges to the car body!} So putting a radio in a car or truck with proper consideration for noise, static grounding and suppression of common mode currents getting back into the radio involves numerous, pesky (technical term) challenges. Again, great video--brings up important, beneficial considerations for good performance.
I have the same radio...…….the only mod I did to it was add talk back and sounds fantastic......601 on the side
Yeah they are great sounding radios and i really like the way they look 73s my friend!
Love the cb videos,im not brave enough to start soldering in parts yet .I have a hard enough time soldering on those pesky PL259 connectors.
73,s
514 Ontario Canada
I think I’m more apprehensive about soldering PL 259 connectors than I am about soldering part of the board oddly enough
I’m not an expert myself I’m pretty terrible at soldering
but if you find something broke try to fix it
that’s the best way to learn I think, not by breaking things, but fixing them
@@JohnnyNJones I have the same Uniden PC68 XL CB radio. My Uniden is made in the Philippines.
I have this exact same radio Uniden PC68XL I paid only $3. 00 at a yard sale the best $3.00 I ever spent darn good radio.
That’s an incredible price!! You’re one lucky fellow!
A 4 y.o. video, I hope you are still active to this page. I have my radio, a 50 foot RG8X coax, a fiberglass antenna on a mirror mount thats on a tripod freestanding in the yard, and the radio is powered by a lead acid 12 volt car battery, and the only thing connected to the battery is this radio. I do not even connect the battery to the battery charger until the radio is turned off. All of the equipment is new,Radio (President George FCC) new coax, mount...but the SWRs are 2.5 to 3.0. But when I run a separate wire from the battery NEG terminal to the antenna base the SWRs drop to 1.8 to 2.7. In this video you say to ground the radio, but to what. Battery is free standing, as is the radio and also the antenna. Any help would be appreciated.
RF ground and DC ground are not quite the same thing that can become pretty complicated. It’s understandable that you are having issues. This is just part of owning CB radios haha.
You don’t want the battery hooked to the antenna, neither will be grounded then.
I would suggest removing that wire from the battery but leaving it connected to the antenna base. Keep lengthening that wire in a straight line until it’s long enough that the SWR drops.
I would also urge you to check out my video on my custom antenna build using nothing but wire.
If you would like to ground your Radio or your antenna, you can use a ground rod about 8 foot in the ground made of copper to get a good earth connection.
But it’s not something that you have to do. It will still work without being grounded at all.
Make me some more videos my friend ,…. I really need to CUT Out that RF Noise. I live in the middle of the City of Florence Kentucky and their is POWER structures all all around me for sure my friend. What a great idea. I think this would really help out on the Base Station as well . Thank you 🙏🏽
No problem I appreciate your comments, I would recommend getting an FM CB radio now that it’s legal
Try to use it when static is too high on AM, FM will not reach quite as far but it’s a lot cleaner sounding
The circuit board in a cb radio is "floating" so it can be used in either positive or negative ground vehicle, if your cb is "home base" you can connect the ground on the pcb and then a earth ground to get rid of noise.
That’s true it is floating, but I find that removing currents induced in the housing also benefit receive by grounding. 👍
Hook it up backwards see how that works Elliot u are a moron
get a uniden bc20 external cb/scanner speaker … it has a built in switchable noise filter that really does work... I rarely use the cb's noise filters and squelch any longer... my radio is a uniden pc122 that is similar to your 68...
Oh indeed there are plenty of radios that have noise filters. But some people may have cheap 20 dollar radios that just have the basics. Thats the purpose of my channel is to try and help newcomers who may not be crazy about CB and just wants a few tips on getting the best out of their little radio they found at the flea market ect.
Thanks for commenting!
I have been wondering about this. I have a Cobra that I had in my RV for cross country driving and it worked great mounted. I have bought a Wilson 5000 magnetic antenna and I am trying to find a place in my F150 to mount the CB. But I have been trying to find info about does the CB case need to be grounded to work right. I thought that it'd be better if it was grounded. Thanks for the video.
It will not cause any major issues to not have your radio grounded but it does help a bit in the noise department
A resonant antenna will give you a better signal to noise ratio.
Increasing the Q of the antenna decreases the noise and increases the signal.
Yes and reducing the Q also reduces the SWR bandwidth
But that’s the trade-off there
@@JohnnyNJones Increasing Q narrows bandwidth but increases efficiency.. Reducing Q increases bandwidth but lowers efficiency.
Awesome Johnny!! I didn’t know about the grounding option…🤔my new uniden pc78 ltx is great and why not ground it like you suggested 😁.. so would running a good copper wire from the mounting bracket to a metal part of the Nissan pro 4x😝be sufficient?? Would under the dash metal or the seat metal fastener be alright?? Or should I pick another grounding site??
Honestly, my friend if you’re not hearing any noise, you should be OK.
But yes, you can ground it with a wire if you’d like as long as it’s short. So under the dash would be better.
@@JohnnyNJones thanks dude!!!!😎Johnny jones!!!!😎🔌📻🎛📟🤓
@@christoFlair777 you’re welcome bud 👍👍😎
Have you built the rf gain booster yet??
I’m glad you brought that up, I needed a project to work on. I think I’ll order some coax and start working on it!
I connected it to the body and it took the low static out still got the antenna static and mic and engine noise to work on
They make something called a power filter for that you should be able to find it online pretty easily. It seems to work pretty well.
I tested it recently on my video about using a computer power supply for ham and CB radio
Have a 75xl and put a 203 kicker board in it. 125w.
Nice! My buddy does the same thing, people buy those up like crazy.
Reduce your noise floor then you can hear alot more go around with a cheap handheld with no antenna and the white noise will get louder the closer you are to offending appliances that are producing the rf noise then ferrite bead the power cord to the appliance and there u go lower noise floor more to hear
I'm pretty ignorant when it comes to this stuff so maybe you could help me. You said "not to the negative terminal but to an earth ground." Where is the earth ground?
Well it won't exactly be earth ground, but it means the frame of your truck or car. If you have the radio mounted with a bracket to a metal surface this can help.
But basically if you run a wire from your radio to the frame of your vehicle you will lower your noise substantially.
@@JohnnyNJones thank you.
I just run my radio on wire shelf unit attach bare wire to mount bracket and then run that bare wire into and against shelving body in sense it now is ” noise drain" excess noise dissipates into shelving unit
Yeah that sounds like it would work just fine.
And It would act as a sort of faraday cage for noise suppression
How do alot of people not ground their radios in a car. You cannot NOT ground it. The negative wire is negative chassis ground, no?
Surprisingly No 🤔
They are often separate.
Although I assumed the same thing until I started testing it out.
I need some work done. Fun custom stuff and a few repairs. Do you have a website?
Aaron Pixler Hey there I appreciate your comment, I am still in my infancy in repairing radios, Usually I can fix simple issues but nothing more, I think most of that is luck. So unfortunately I wouldn’t trust myself to work on your radios, I’m just not ready yet. Not only do I not have the knowledge but I do not have an oscilloscope, signal generator, spectrum analyzer ect. But just for curiosity what’s wrong with your radios?
Lots of noise. , broken squelch, another isn't transmitting, but recieves, another i want a linear amp installed, with a separate rf amp.
Aaron Pixler Sorry it has been so long, I Missed your comment because my notifications were so long. Those sound like things I could probably whack with a stick and make work again but it’s something that I am not comfortable or capable of doing right now. I really appreciate you asking and there will be a time in the future where I can accomplish those feats. Until that time I will be collecting information and equipment, thanks a million!
I’m having some ground issues in the big truck like electric windows and blinkers clicking through my speaker on my radio. Where do you hook the ground wire to on the radio itself
@@244-badnews2 try hooking your pwr to your battery & not your fuse box !
The "demonstration" was your hand muffling the speaker?
No, that’s not my hand muffling the speaker that’s my hand, pressing on the chassis of the radio, which is grounding the noise through my hand
Clean RX is easy... If you want a challenge make that 29 not splatter with clean wave graphs on TX; FYI it takes board work that 99.9% of shops can't do especially with a linear amp addition
I don’t think I wanna tackle the challenge of reducing harmonic distortion in the CB world 🤣
It just takes a filter,they make them u know
Filter alone will likely clip modulation and destroy clarity
I have a radio with fibre body. Can I ground it by attaching a wire ts speaker's body?
Ground it to your steel frame.
Im so glad i don't have this problem...i never use my squlech...i love white noise or static....all my friends think I'm crazy....
I understand it’s almost like rain
@@JohnnyNJones good answer,,,i do put thunderstorm, rain video on my phone every night to help sleep 73's
@@blueflame0003 Yep an entire array of frequencies all mixing together seems to relax some people, other people it drives them crazy.
I have a lot of noise on my truck c.b. radio. But the radio is grounded through the mounting bracket isn't it? And the antenna is grounded through the bracket isn't it? Would it still need another ground wire? I need to lose some of this engine noise for sure...
The bracket if it’s connected to the steel body of the truck and is firmly connected to the radio could act as an RF ground.
But they’re often times painted or covered in an oxide layer and not really touching the radio other than through maybe through the screw
So I would say it’s going to be kind of difficult to get a really good ground with just the mounting bracket you could easily run a wire from one of the screws on your radio to whatever grounding point you have and that should take care of noise
If that doesn’t work then try using a noise filter which you can buy online, It’s a small box that you run your hot and ground through and it will filter any noise that you may have coming through your power cable (Which causes a lot of noise on its own)
And of course you could always use a balun to stop common mode RFI
However if you don’t know what a Balun is it may be hard for me to explain how to make it. There is a lot of information out there that can help you and I hope you get this problem sorted out because no one likes a Noisey radio!
@@JohnnyNJones please fix my 138xlr no transmit
Try hooking up your pwr directly to your battery & not your fuse box
Thanks
No problem
ClearSpeech DSP modules or DSP Speaker & all of that white noise is GONE like a freight train.I use the DSP speaker in my pickup with my ICOM 7000 & in my shack I use the Base modules for my ICOM 7600, ICOM 746, ICOM 910H,& my DAK X for the CB Band.I HATE noise so I have almost None no matter what radio I'm using.
Oh yeah DSP will certainly do it, but most of us CB radio fellas just have some cheap old stuff
I’d love to have an ICOM 7300 and I plan on getting one whenever I have a thousand dollars to play with
@@JohnnyNJones I would not own a 7300 if it was FREE.I HATE any Touch Screen Radio no matter who makes it & I Love ICOM Radios.
@@1OFGODSOWN I’m not a big fan of touchscreen either but I do like the waterfall feature.
Does the 7000 have a waterfall?
@@JohnnyNJones no waterfall.It’s available to me on my ICOM 7600 & I never turn it on.I just like the band scope for my usage.I never turn it Off.
Where did you connect that capacitor to make the noise drop so much?
It’s on the wiper of the volume control potentiometer
Search my channel I have a video explaining it fully
Actually I found the video for you here you go ua-cam.com/video/eQVXozlIFso/v-deo.html
@@JohnnyNJones awesome. Thank you!
@@barkmouley5693 no problem 🤟
Or you start using FM and squelch will be your friend.
Earth Ground, R.F.
is simple earth the power supply first second put the antenna metal gunwale! IF YOY DON NT HAVE PUT BIG COPPER WIRE TO TOUTCH ERIAL MAST! GET IT TIDE IT!
Yeah buddy you got it 👍
Thank you for watching. ☺️
Except we don’t want to ground the negative wire to the chassis in the case our vehicle uses positive ground
Plus the outside of the CB radio is not connected to its negative terminal
We also don’t want to cause any ground loops either
@@JohnnyNJones you made mistake the cb radio IS EARTHED VENICICLE TO! EARTH TO Cb radio IS INSIDE AND THE VENICICLE EARTH IT! DO NOT THING EARTH IS ONLY FOR BASE STATION! FOR THE VENICICLE EARTH IS NEGATIVE TERMINAL!
Poor ground on the antenna and coax is your issue which is obvious. Grounding the radio does not boost the signal, it’s cleaning the receiver due to your bad antenna and coax setup. 73
Yes, I know it doesn’t boost the signal.
It’s just a phrase that will fit into a thumbnail and more or less is the truth.
ground wire all radios, handheld and stationary...
You talk too much,cut nonsense and stay on point
That’s who I am, I talk a lot.
Go watch someone else
Like content,you just go on tangents,and make a otherwise good video boring,not trying to offend you ,constructive criticism. Take it or leave it,aleast I had balls to tell you what everyone is thinking.videos should be riveting. In a movie they call it editing.but it's your show.try staying on point and keep it moving.i bet you notice more views.telling people to watch someone else is not a good avenue to take,you'll wind up like Archie luxury. It's like the restaurant business for every complaint,there's 10 you didn't hear about.