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  #1  
Old 01-20-2011, 06:03 PM
Rangerlove Rangerlove is offline
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Default CB won't even pick up static, transmits at half power.

So, I went to go through a car wash and I took my CB antennae off. The CB was off at the time, but the engine was running. I forgot to turn it off as I went through the wash and put my antennae on back on the other side. My CB basically won't even pick up static or make any noise. Frequency and Squelch are turned all the way down, Mic isn't broken, I took it off and no change. Volume is cranked to the max. I took off the entire antennae mount and cleaned off some of the rust forming on the cheap washers and whatnot with my dremel and hooked it all back up extremely tight. It buzzes a little bit now on max. volume.
I even respliced and re-hooked up the power and ground cables just in case that was causing it to not draw enough power.
I've heard a lot of different theories...that my coax is bad, that my antenna is bad, that my CB is detuned or broken...it just doesn't make any sense to me.
Any advice?
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Avatar is when I drove up the Bohemia mining saddle in Oregon, a fairly well-known 4WD trail around here.
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Old 01-20-2011, 06:04 PM
pooleo pooleo is offline
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Default Re: CB won't even pick up static, transmits at half power.

if you suspect the ant. then I would try a diff. one and see what happens.
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  #3  
Old 01-20-2011, 06:15 PM
FireRanger FireRanger is offline
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Default Re: CB won't even pick up static, transmits at half power.

No no no. This has nothing to do with the antenna, mount, coax, or anything else attached to it. That isn't how they work. Something is wrong with the radio if it is doing what you describe.

How do you know its only transmitting at "half power"?

My initial suggestion would be working on the power and ground but you've already done that. I presume the symptoms do not change when you unplug the coax from the back of the radio?
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Last edited by FireRanger; 01-20-2011 at 06:18 PM.
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Old 01-21-2011, 10:19 PM
Rangerlove Rangerlove is offline
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Default Re: CB won't even pick up static, transmits at half power.

I mean the TX line when you key the mic. It looks like this: http://www.midlandradio.com/Resource...e/1001Z_Lg.jpg
When the red bar is at +4/+30 I consider that maximum transmitting or receiving.
I ended up buying a fancy new antenna today and no change.
Then I replaced the coaxial cable and it would transmit at 100% (30/30) and I thought perhaps I still had a problem, so I was just going to return the unit because a SWR meter cost more than the unit...And then I started picking up signals. And I actually got some static again. I actually had one guy come in so blaringly loud it startled me...but for the most part is was almost too quiet to hear.
I think...I need to get my antenna tuned and it'll be back on the road.
But for the record, it was the stupid coax. It looked fine, but who knows...radios are crazy.
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'91 Ranger, 2.3L 4-Banger knocking out 140 HP. Plopped the head out of '94 and an RV cam in it. 2WD, zero options. But, I love her to death.
Avatar is when I drove up the Bohemia mining saddle in Oregon, a fairly well-known 4WD trail around here.
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  #5  
Old 01-21-2011, 10:49 PM
stephen.g.fiddes stephen.g.fiddes is offline
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Default Re: CB won't even pick up static, transmits at half power.

Quote:
Originally Posted by FireRanger View Post
No no no. This has nothing to do with the antenna, mount, coax, or anything else attached to it. That isn't how they work. Something is wrong with the radio if it is doing what you describe.

How do you know its only transmitting at "half power"?

My initial suggestion would be working on the power and ground but you've already done that. I presume the symptoms do not change when you unplug the coax from the back of the radio?
JOC, what makes you say this? and transmitting with the coax unplugged will fry the finals in the radio...


Check the mount. It's probably shorted out on the mounting bracket causing it to not TX at full power. Exact same thing happened to me with my CB. I've also seen similar problems when antennas/ mounts get shorted out with Ham radios. it's not that it's transmitting at half power, it's that the antenna isn't resonating properly because of a short in the works somewhere.
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and as for boobs, as long as the cant hold up a book with sag, pointed in the right direction and not peperoni or canadian bacon nips were good to go!
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  #6  
Old 01-22-2011, 08:02 AM
FireRanger FireRanger is offline
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Default Re: CB won't even pick up static, transmits at half power.

Because antenna and coax issues do not cause the speaker to stop producing sound with the squelch all the way down. I didn't suggest he transmit without the antenna or coax connected.

We also don't know what that meter is actually indicating on transmit. If it is indicating watts, then the coax center conductor was probably shorted to ground causing the transmitter to reduce to minimum power. This however does not explain the other problems he was having and continued to have. Which leads back to my initial suggestion that the radio is toast.
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Old 01-22-2011, 10:58 AM
Rangerlove Rangerlove is offline
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Default Re: CB won't even pick up static, transmits at half power.

Well, I managed to receive yesterday. But no responded to my mic check.
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'91 Ranger, 2.3L 4-Banger knocking out 140 HP. Plopped the head out of '94 and an RV cam in it. 2WD, zero options. But, I love her to death.
Avatar is when I drove up the Bohemia mining saddle in Oregon, a fairly well-known 4WD trail around here.
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  #8  
Old 01-22-2011, 11:00 AM
FireRanger FireRanger is offline
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Default Re: CB won't even pick up static, transmits at half power.

When you turn the squelch all the way down, do you get static?
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  #9  
Old 01-22-2011, 11:10 AM
stephen.g.fiddes stephen.g.fiddes is offline
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Default Re: CB won't even pick up static, transmits at half power.

Quote:
Originally Posted by FireRanger View Post
Because antenna and coax issues do not cause the speaker to stop producing sound with the squelch all the way down. I didn't suggest he transmit without the antenna or coax connected.

We also don't know what that meter is actually indicating on transmit. If it is indicating watts, then the coax center conductor was probably shorted to ground causing the transmitter to reduce to minimum power. This however does not explain the other problems he was having and continued to have. Which leads back to my initial suggestion that the radio is toast.
okok. I see what your saying there. I missed the lack of static when the squelch is all the way down.

Honestly, the best way to test a radio, is to have someone you know has a working radio there and test it with you (park down the street to make sure its working ok, then drive away to make sure you're getting proper Distance. if you hook an external SWR meter up to it, it should be Should be 4 watts forward, 0 reflected for CB)
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Quote:
Originally Posted by Fourliter Dan View Post
and as for boobs, as long as the cant hold up a book with sag, pointed in the right direction and not peperoni or canadian bacon nips were good to go!
Quote:
Originally Posted by Fx4wannabe01 View Post
ok...i'll just come out and say it... you got's an auto. That alone revokes your right to brag about being part of the elite Level II's! Take that!
Quote:
Originally Posted by Clinton View Post
Oh come on....every girl likes pink....even Demon
Buy my pictures at Imagekind!
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  #10  
Old 01-22-2011, 11:15 AM
FireRanger FireRanger is offline
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Default Re: CB won't even pick up static, transmits at half power.

A lot of cheap meters don't show reflected watts. They just show a ratio like 1:1.5. The lower and closer to 1:1 the better in such cases although it's nearly impossible to get a perfect 1:1 / 0 watts reflected out of most CB antennas. We're not exactly talking about precision equipment here so don't kill yourself trying to perfect it.

The most common way coax fails is at the mount or at the radio connector. Look for a little piece of the shield braid to be touching the center conductor. That little micon of a wire will kill the whole thing.
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  #11  
Old 01-22-2011, 11:20 AM
stephen.g.fiddes stephen.g.fiddes is offline
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Default Re: CB won't even pick up static, transmits at half power.

Also, if you're using one of those cheezy bolt mounts that make use of ring terminals on the end of the coax, those are highly prone to failure if you dont have stuff lined up just right... I suggest getting an SO239 to 3/8"-24 thread mount
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Quote:
Originally Posted by Fourliter Dan View Post
and as for boobs, as long as the cant hold up a book with sag, pointed in the right direction and not peperoni or canadian bacon nips were good to go!
Quote:
Originally Posted by Fx4wannabe01 View Post
ok...i'll just come out and say it... you got's an auto. That alone revokes your right to brag about being part of the elite Level II's! Take that!
Quote:
Originally Posted by Clinton View Post
Oh come on....every girl likes pink....even Demon
Buy my pictures at Imagekind!
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  #12  
Old 01-23-2011, 11:52 AM
Rangerlove Rangerlove is offline
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Default Re: CB won't even pick up static, transmits at half power.

I do have a bolt-on underhood antenna mount. I thought that was the best way to go. Everyone's always trying to sell you magnetics, but I go in the brush enough I didn't want to worry about taking it on and off all the time.
It does use those ring connectors, too. The washers that came with it rusted over and I had to polish them up with my dremel. One of those ring connectors was bent from me over-tightening it like a newbie.
I think I might try to get a new radio, though. I just wish I knew someone around who could help me test. All the people I met on the CB in my area I never actually got any contact info. from.
Is there another way that antennas can connect? Aside from the ring method? We have one CB shop around here, and he didn't have anything but ring connectors.

----------

Oh, and I didn't spring for an SWR meter because the only ones I could find were at radioshack for $45 and I only paid $39 for my radio. Seemed silly.

----------

IRT: FireRanger: When I turn the squelch all the way down I can't hear anything, even with the volume cranked. I can really only receive signals with the squelch all the way up (no squelching) I can pick up people and hear conversations.
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'91 Ranger, 2.3L 4-Banger knocking out 140 HP. Plopped the head out of '94 and an RV cam in it. 2WD, zero options. But, I love her to death.
Avatar is when I drove up the Bohemia mining saddle in Oregon, a fairly well-known 4WD trail around here.
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  #13  
Old 01-23-2011, 12:03 PM
stephen.g.fiddes stephen.g.fiddes is offline
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Default Re: CB won't even pick up static, transmits at half power.

Quote:
Originally Posted by Rangerlove View Post
I do have a bolt-on underhood antenna mount. I thought that was the best way to go. Everyone's always trying to sell you magnetics, but I go in the brush enough I didn't want to worry about taking it on and off all the time.
It does use those ring connectors, too. The washers that came with it rusted over and I had to polish them up with my dremel. One of those ring connectors was bent from me over-tightening it like a newbie.
I think I might try to get a new radio, though. I just wish I knew someone around who could help me test. All the people I met on the CB in my area I never actually got any contact info. from.
Is there another way that antennas can connect? Aside from the ring method? We have one CB shop around here, and he didn't have anything but ring connectors.

----------

Oh, and I didn't spring for an SWR meter because the only ones I could find were at radioshack for $45 and I only paid $39 for my radio. Seemed silly.

----------

IRT: FireRanger: When I turn the squelch all the way down I can't hear anything, even with the volume cranked. I can really only receive signals with the squelch all the way up (no squelching) I can pick up people and hear conversations.
The right way to do it is to use one of these connections.



It's a UHF (same connector as on the back of the radio) - 3/8-24 thread stud mount (What most CB antenna's use). They're not too popular in the CB world (IDK why.. they're easier to use), but in Ham radio, you see them all the time.
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Quote:
Originally Posted by Fourliter Dan View Post
and as for boobs, as long as the cant hold up a book with sag, pointed in the right direction and not peperoni or canadian bacon nips were good to go!
Quote:
Originally Posted by Fx4wannabe01 View Post
ok...i'll just come out and say it... you got's an auto. That alone revokes your right to brag about being part of the elite Level II's! Take that!
Quote:
Originally Posted by Clinton View Post
Oh come on....every girl likes pink....even Demon
Buy my pictures at Imagekind!
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  #14  
Old 01-23-2011, 06:17 PM
FireRanger FireRanger is offline
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Default Re: CB won't even pick up static, transmits at half power.

Quote:
Originally Posted by stephen.g.fiddes View Post
They're not too popular in the CB world (IDK why.. they're easier to use), but in Ham radio, you see them all the time.
It's because the CB world is dominated by retards with wire strippers that think they're communications engineers and call themselves "experts". Not pointing that at anyone here at all, it's just a fact of the hobby. Ham radio is far more professional, although they certainly have their loose nuts as well.
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Last edited by FireRanger; 01-23-2011 at 07:01 PM.
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  #15  
Old 01-23-2011, 06:59 PM
stephen.g.fiddes stephen.g.fiddes is offline
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Default Re: CB won't even pick up static, transmits at half power.

Quote:
Originally Posted by FireRanger View Post
It's because the CB world is dominated by retards with wire strippers that think they're communications engineer and call themselves "experts". Not pointing that at anyone here at all, it's just a fact of the hobby. Ham radio is far more professional, although that certainly have their loose nuts as well.
HAHAHA I know that all too well. I work at ham radio outlet, and you would not believe some of the retarded questions we get sometimes...
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Quote:
Originally Posted by Fourliter Dan View Post
and as for boobs, as long as the cant hold up a book with sag, pointed in the right direction and not peperoni or canadian bacon nips were good to go!
Quote:
Originally Posted by Fx4wannabe01 View Post
ok...i'll just come out and say it... you got's an auto. That alone revokes your right to brag about being part of the elite Level II's! Take that!
Quote:
Originally Posted by Clinton View Post
Oh come on....every girl likes pink....even Demon
Buy my pictures at Imagekind!
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