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anyone able to get a CB antenna to work on a Jeep TJ it's like the old CJ's??

K6GBW

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I've put CB's in two Jeeps. One was a 1992 YJ that I put a ball and spring on the back driver's side. I ran a 4 foot firestik and it worked...okay. The other was a 2007 JK with a 4 foot firestik on the tire carrier. It really didn't work very well. If I was lucky I could get about three miles out of them. The truth is CB is just at a crappy wavelength for mobile operations. I switched to a GMRS radio in the JK and put a quarterwave antenna on the cowling on the passenger side. Next thing I know, I'm talking 5-7 miles between vehicles and 10-12 miles from base stations. I dropped CB's after that and haven't looked back.

If you run with guys that use CB's though you may not have a choice. In that case you'll just have to do the best you can. The mag-mount on the hood or cowling is probably the best you can do with the least amount of effort.
 

phask

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I've put CB's in two Jeeps. One was a 1992 YJ that I put a ball and spring on the back driver's side. I ran a 4 foot firestik and it worked...okay. The other was a 2007 JK with a 4 foot firestik on the tire carrier. It really didn't work very well. If I was lucky I could get about three miles out of them. The truth is CB is just at a crappy wavelength for mobile operations. I switched to a GMRS radio in the JK and put a quarterwave antenna on the cowling on the passenger side. Next thing I know, I'm talking 5-7 miles between vehicles and 10-12 miles from base stations. I dropped CB's after that and haven't looked back.

If you run with guys that use CB's though you may not have a choice. In that case you'll just have to do the best you can. The mag-mount on the hood or cowling is probably the best you can do with the least amount of effort.

Did similar on a YJ. Used a through tub mount, maybe a Cushcraft with a 3/8-24 mount, no ball. Used a generic 5' or so stick I picked up at a Hamfest and worked just fine. This was in the CB trucker's "heyday" and would get 10 miles on an Interstate (when quiet).
Ran that mount on each side - used one for CB and one for scanner. Later I quit CB and used the same base for 2 meter.
I think the OP has other issues, a metal roof, center mount will have a slight advantage over a rear tub, or hood mount, but not enough to even notice in normal operating conditions.
 

niceguy71

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A trunk lip mount on the hood will provide more ground plane. Something similar to this and with a base loaded thin whip construction that gives in to branches and won’t stress the mounit.

View attachment 160145
I don't believe the lies of many companies... but this sounds so dog gone good.........the ad say's

This antenna works like a 102 inch whip antenna but is ONLY 53 INCHES LONG

should I believe it????

 

slowmover

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I don't believe the lies of many companies... but this sounds so dog gone good.........the ad say's

This antenna works like a 102 inch whip antenna but is ONLY 53 INCHES LONG

should I believe it????


Post in thread 'Antenna Recommendations for a Jeep'
Antenna Recommendations for a Jeep (67” whip)

Total height 5’ (60”) is my rule of thumb minimum.

Wouldn’t stop me from trying the one you’ve linked, but I don’t think it’ll match up with the one mentioned in the post I’ve linked.

I’m willing to experiment with:



64” whip.

Not an answer so much as understanding that it’ll take tuning (whip cuts) with analyzer to get it right.

If I want to equal a 9’ antenna (15’ clearance) then it’s the 7’ range (13’ clearance) which don’t bend over at 60-MPH get the nod from me.

Would your linked antenna be a good choice? Sure.

Would it be as good? About as good while avoiding goofy antenna syndrome or having to have an analyzer to trim the 34/640 combo to size.

Depends — then — on how much one cares he gives up in potential.

Get an adapter (NMO to 3/8-24) and pull over at a high point to swap antennas and maximize that potential. But this doesn’t answer trying to stay abreast of road problems.

It’s not easy to out-match a QT60/Q5 receiver, antenna-wise. Mobile, I haven’t found it. On transceiver end of things, you’re safe to try anything.

Let’s say (instead) you were running my backup DX-86V (similar to 99V2). About as good as it got ten years back for a less-than-full-size AM/SSB mobile. Without DSP there’s a shorter range of audible capture. With DSP, it’s still not quite as good, and on SSB not at all. Factory align & tune procedures done.
IMG_3623.jpeg
Now a lesser Q antenna isn’t a possible potential killer the same way as with modern CB.

.
 
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prcguy

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I don't believe the lies of many companies... but this sounds so dog gone good.........the ad say's

This antenna works like a 102 inch whip antenna but is ONLY 53 INCHES LONG

should I believe it????

Nope, it’s a flat out lie. But for a base loaded NMO antenna it is very good.
 

slowmover

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Nope, it’s a flat out lie. But for a base loaded NMO antenna it is very good.

Yeah, the appeal of a low key appearance weighs heavily in favor of base load NMO.

This 6’ 8” is a page from the same book, but it’s not the same chapter in regards to appearance.

On a current 4WD pickup, though, this is past head height for most folks. Only the whip would be noticeable.

(SIRIO 5000 Performer on a Breedlove Mount. Several models & configurations).

.

IMG_1394.jpeg
 
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niceguy71

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Nope, it’s a flat out lie. But for a base loaded NMO antenna it is very good.
I looked for the Antenex/Laird CW27 with 67" whip.... no dice anyplace.... I like the idea slowmover said about cutting down a 64" whip to allow me to get a taller antenna if I can get it to cut right
 

K6GBW

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Nothing will compare to the 108" whip, but I used the Larsen NMO 27 on my pick up truck for years and it was actually a damned good antenna. If I still ran a CB that's what I'd have on my Subi. But, at least here in SoCal the CB band has devovled to nothing but racist, homophobic rants and Spanish speakers running 1000 watts. So I'm done with it. Maybe if I lived in some place more rural I'd give it a go again.

The hood mount should work pretty good for you. Just make sure to crank down on those allen bolts to get through the paint and make a good connection to the underside of the hood. I'm curious, do you have much CB activity around you?
 
Last edited:

niceguy71

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Nothing will compare to the 108" whip, but I used the Larsen NMO 27 on my pick up truck for years and it was actually a damned good antenna. If I still ran a CB that's what I'd have on my Subi. But, at least here in SoCal the CB band has devovled to nothing but racist, homophobic rants and Spanish speakers running 1000 watts. So I'm done with it. Maybe if I lived in some place more rural I'd give it a go again.

The hood mount should work pretty good for you. Just make sure to crank down on those allen bolts to get through the paint and make a good connection to the underside of the hood. I'm curious, do you have much CB activity around you?
Mmckenna and a few guys I value their opinion, really love those larsen antennas.... I'm going to try a K-40 trunk lip mount on my friends jeep on the hood it's 57 inches tall but that whip is THICK... I'm thinking I'd like to find a more flimsy whip but I have a K-40 he can have so that's the cheapest and easiest way out.... if the K-40 works I'm done.... if not I'll try a Larsen NMO antenna and probably that one that say's it's as good as a 108 whip ( I know what a joke...but until I try it I won't knock it)

when I first got all my old gear back up last year I didn't think anyone used CB anymore.... .. if I got on 19 and asked for a radio check I would normally get at least one tucker answering... normally about 5 miles or 6 miles away... but no one talking really....I would leave a small hand held on the kitchen table on scan for months... never heard a sole... just the super bowl on 6 and 11..and of course the Spanish channel on 09....
I'm pretty deep in the woods..... a guy on Radio Reference lives close by and told me people hang out on CH 27 AM... I listened for a week never heard them.... then for the heck of it one night I asked if anyone was out there???? and a bunch of people came on!!
now if I'm driving home from someplace between 7pm and 9 pm I turn it on 27 and listen... sometimes I hear a few locals talking about 5 base stations that are always on anyway.... no one uses handles.. it's all first names now????.... ... I miss the handles.... Steve in Duxburry and Ken in Halifax and Rob in Plymouth just isn't as much fun as crazy caveman and so many other funny handles years ago.....if I don't hear anyone I ask is anyone there??? and one or two people will pop on..... as I got more familiar with my Anytone 5555 N II Base station I learned to tune in people on am far off... say 40 or 50 plus miles away.. with the noise reduction I can hear them and sometimes if the moon is right, I can talk to them... so CB here is not like it was, but their seems to be someone on everyday if you keep asking... seems no one talks until they hear someone... guess everyone in Massachusetts are only listeners.
 

mmckenna

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Maybe if I lived in some place more rural I'd give it a go again.

I'm not convinced, unless I had a couple of friends I knew would be on there. Driving from California to Texas a few years back there was no real useful traffic. I talked to one or two people the whole trip. When I replaced that truck in 2018, I never installed the CB in the new one, and honestly have not missed it.

But if I was somewhere rural, I'd probably use GMRS or at least MURS so I had something where I could easily get a well performing antenna in a small package. I'm in the middle of another California to Texas and back trip, and I'm hearing a LOT of traffic on GMRS and FRS. Actually had to turn it off a few times as it got to be too much. Quite a few repeaters across New Mexico and parts of West Texas that are quite active.

Mmckenna and a few guys I value their opinion, really love those larsen antennas.... I'm going to try a K-40 trunk lip mount on my friends jeep on the hood it's 57 inches tall but that whip is THICK... I'm thinking I'd like to find a more flimsy whip but I have a K-40 he can have so that's the cheapest and easiest way out.... if the K-40 works I'm done.... if not I'll try a Larsen NMO antenna and probably that one that say's it's as good as a 108 whip ( I know what a joke...but until I try it I won't knock it)

I loved my NMO-27 and used it for decades (I think I bought it almost 30 years ago). It's still up in the garage rafters, just in case I ever decide to try again.

Actually, few have tried buying the Larsen NMO-30 coil on it's own and a separate 64" Larsen whip. That is said to give a bit better performance than the NMO-27. Only drawback is that you have to spend some time with the tuning as the cut charts for the NMO-30 coil don't cover down to 27MHz. The Larsen whips are pretty thin and really flexible. Would be a good way to go on top of a pickup.

Before we used GMRS (and then amateur radio) in the family, we all had NMO-27's and a permanent mount CB in all our vehicles. Worked really well other than the occasional whack-a-doodle that would try to mess with us.
 

K6GBW

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Yeah, I've had a similar experience. In the early 2000's I drove from L.A. to Fort Collins CO. Ran the CB the whole way. I had some casual conversations damned near all the way. Picked up lots of good road traffic as well. Then a few years ago I did a repeat of the trip and it was just quiet. I have a UHF XTL5000 in my car now. One zone is for ham and the other is GMRS. I'm leaving for Montana on the 13th and was debating switching it out, but I think I'll just leave it as is.
 

mmckenna

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I'm leaving for Montana on the 13th and was debating switching it out, but I think I'll just leave it as is.

I've got a few scan lists set up:
FRS and GMRS
just GMRS
MURS
Ham calling channels (70cm and 2m)

Scanning the FRS/GMRS stuff has been interesting. Passing through a small town and it really comes alive. Motel maids coordinating which rooms are clean. Hardware store loading customers trucks. Electric Utility line crew. Low voltage contractor pulling wire. Around the truck stops, families coordinating movements. Some RV'ers planning out the next stop. Passing through the west Texas oil fields, lots of chatter from them.

And like I said, a very active soutwest.network linked GMRS repeater system that's been pretty hopping with quite a bit of traffic. Some related to weather, but also a nice supervised roundtable discussion with a bunch of young/pre-teen girls talking with their dads in the background. West Texas heard a lot of linked GMRS repeaters discussing weather.
 

slowmover

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Other services are fine. But CB remains the way to be in contact with the drivers who care about what’s happening up ahead.

Coming off the West Coast are foreign scab drivers who’ve undercut Americans from a lot of refrigerated loads via money-laundering leverage and state officials looking the other way. So-called emissions regulations are the other. Which is why major E-W Interstates are quiet. They’re “drivers” wholly dependent on the Internet. Cannot navigate or communicate. Coast-to-coast loads are also much fewer than 20-years ago as container rail got the nod.

As American manufacturing got moved out of country CA doesn’t receive all that much from the rest of the US. It’s isolated. Much of what does passes thru Las Vegas / Phoenix area (Henderson, and Casa Grande) not farther north on IH-80 or IH-90 into CA. This is the point of exchange in many cases. Same as with eastern PA into NYC. Coming off the border near IH-8 is the other. Some loads from far eastern SoCal just off IH-5 to haul ass out Cajon Pass on IH-40.

You won’t reach “America” till you’re crossing US-83 past Denver or Amarillo one helluva long ways East. 5% of the US lives in this gigantic region.

Skip is the big problem gotten underway last year and will extend another year or so. Paid agitators on AM-19 intentionally screwing it up for others.

All this I’ve covered elsewhere and at more depth.

One wants to drive the population-barren Far West (up to the Coastal Range), then an antenna reaching closest to 14’, NRC-integrated radio, HQ extension speaker plus some SNR relief will pull what’s available. NMO-27 is a joke in those circumstances, as is less than 40W. Cattle haulers and commodity haulers are the mainstays in the intermountain West.

CB today is for the few. The ones who place a premium on getting back home.

You fellows make an occasional trip. Respectfully, there are those of us who run that territory more in a year or two than y’all will in a lifetime.

QT/60
Sirio 5000
DRX-901
CMC-130S-CK
About $525 will cover state-of-the-art. You’re missing much of what’s there, otherwise.

You yourself “sound good” will receive replies especially in information exchanges. A weak signal gets lost or ignored as operator fades away too fast. Look to see who’s coming at you to key up. The above, or tankers, are a better guarantee. Fleet trucks (van or reefer) aren’t. Flatbed and Oversized are a mixed bag.

Given that SSB ability on these is a quantum jump from before, what’s listed is far more in performance than what’s been available since circa 1989. Non-NRC and too short is obsolete. Bad practice.

Listening to the motel maids change sheets ain’t the thing when a semi has blown both tires on a trailer axle four miles ahead. Rolled. And you’ll be there in 3.5-minutes at 80-MPH meaning you have only a minute or two to avoid the shock wave coming back your direction as vehicles panic.

Wrecks are more common, and more severe than in decades past. Bad weather will rock your world.

— Only takes one time to pay off a good system. Brainpower understands that the average radio rig encountered isn’t very good. That is Job One: Hear, and Get Heard so that complete info exchange is possible.

Being on-air is part of the bargain. Get the mile marker and what’s notable. Time since you passed it. (Weigh scales open, LEO activity, and so forth). Being on-air encourages others to do the same.

— Stay the hell out of the left lane and avoid packs at all costs.

Someone headed to Moab for 4-Whlng ought to enjoy the trip. Same with a fishing trip up to the Madison River. I stopped in Bozeman the day after Christmas for a pair of HQ orthopaedic hiking boots. Would have been nice to have been a tourist, sure. But a breakdown far from home means one may have to hoof it. A cheaply-made pair of Wally World boots ain’t gonna get me home (an NMO-27 & Cobra 75

Have the means. The right tools.

HF in Australia (Barrett) is your actual model:

IMG_5151.jpeg

.
 
Last edited:

merlin

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Jul 3, 2003
Messages
3,190
Location
DN32su
Other services are fine. But CB remains the way to be in contact with the drivers who care about what’s happening up ahead.

Coming off the West Coast are foreign scab drivers who’ve undercut Americans from a lot of refrigerated loads via money-laundering leverage and state officials looking the other way. So-called emissions regulations are the other. Which is why major E-W Interstates are quiet. They’re “drivers” wholly dependent on the Internet. Cannot navigate or communicate. Coast-to-coast loads are also much fewer than 20-years ago as container rail got the nod.

As American manufacturing got moved out of country CA doesn’t receive all that much from the rest of the US. It’s isolated. Much of what does passes thru Las Vegas / Phoenix area (Henderson, and Casa Grande) not farther north on IH-80 or IH-90 into CA. This is the point of exchange in many cases. Same as with eastern PA into NYC. Coming off the border near IH-8 is the other. Some loads from far eastern SoCal just off IH-5 to haul ass out Cajon Pass on IH-40.

You won’t reach “America” till you’re crossing US-83 past Denver or Amarillo one helluva long ways East. 5% of the US lives in this gigantic region.

Skip is the big problem gotten underway last year and will extend another year or so. Paid agitators on AM-19 intentionally screwing it up for others.

All this I’ve covered elsewhere and at more depth.

One wants to drive the population-barren Far West (up to the Coastal Range), then an antenna reaching closest to 14’, NRC-integrated radio, HQ extension speaker plus some SNR relief will pull what’s available. NMO-27 is a joke in those circumstances, as is less than 40W. Cattle haulers and commodity haulers are the mainstays in the intermountain West.

CB today is for the few. The ones who place a premium on getting back home.

You fellows make an occasional trip. Respectfully, there are those of us who run that territory more in a year or two than y’all will in a lifetime.

QT/60
Sirio 5000
DRX-901
CMC-130S-CK
About $525 will cover state-of-the-art. You’re missing much of what’s there, otherwise.

You yourself “sound good” will receive replies especially in information exchanges. A weak signal gets lost or ignored as operator fades away too fast. Look to see who’s coming at you to key up. The above, or tankers, are a better guarantee. Fleet trucks (van or reefer) aren’t. Flatbed and Oversized are a mixed bag.

Given that SSB ability on these is a quantum jump from before, what’s listed is far more in performance than what’s been available since circa 1989. Non-NRC and too short is obsolete. Bad practice.

Listening to the motel maids change sheets ain’t the thing when a semi has blown both tires on a trailer axle four miles ahead. Rolled. And you’ll be there in 3.5-minutes at 80-MPH meaning you have only a minute or two to avoid the shock wave coming back your direction as vehicles panic.

Wrecks are more common, and more severe than in decades past. Bad weather will rock your world.

— Only takes one time to pay off a good system. Brainpower understands that the average radio rig encountered isn’t very good. That is Job One: Hear, and Get Heard so that complete info exchange is possible.

Being on-air is part of the bargain. Get the mile marker and what’s notable. Time since you passed it. (Weigh scales open, LEO activity, and so forth). Being on-air encourages others to do the same.

— Stay the hell out of the left lane and avoid packs at all costs.

Someone headed to Moab for 4-Whlng ought to enjoy the trip. Same with a fishing trip up to the Madison River. I stopped in Bozeman the day after Christmas for a pair of HQ orthopaedic hiking boots. Would have been nice to have been a tourist, sure. But a breakdown far from home means one may have to hoof it. A cheaply-made pair of Wally World boots ain’t gonna get me home (an NMO-27 & Cobra 75

Have the means. The right tools.

HF in Australia (Barrett) is your actual model:

View attachment 161527

.
I need that antenna for my Barrett.
 

merlin

Active Member
Joined
Jul 3, 2003
Messages
3,190
Location
DN32su
Back to the OP: I've seen the likes of AS M-125 on a trunk lip mount fixed to the right cowl and seems to work very good.
Maybe a Wilson 1000 M mag mount on the hood, but they have gone pricy.
 

ki6ffv

Newbie
Joined
Apr 1, 2024
Messages
3
The truth is CB is just at a crappy wavelength for mobile operations
This is the crux of it. HF from a car is already very compromised and doing it from a Jeep is even worse.

but the base is still lower than the hood

Just spotted this which puts it a bit higher: MicroMobile®MXTA21 Jeep® Wrangler Bracket Mount

I've been told vertical body parts near the antenna having the largest impact near the antenna's tuning coil -- this suggests a base-loaded design would do poorly in this location. As for Firestik performance, other top-loaded antennas are available from Francis, Everhardt, Wilson, etc.

Rigs with mounts up front (front fenders, hood, etc) seemed to work well but I didn't care for the appearance, personally. One other nice thing about a windshield base mount is I could reach out the window, pull the antenna back, and hook it under the rain gutter for clearance in parking garages.

For my next Jeep (and I'm sure I'll own one again at some point) I plan to use the same setup as before but swapping the basic AM CB for SSB-capable.
 
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