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Antenna Separation

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KK4JUG

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I probably making a trip to Wichita from Columbus, GA, in early August and I'm thinkin' about activating the CB just to see what might be going on.

I have an NMO ham antenna on the roof of my Sorento for 2m and .70m located just about in the middle. I'll be using a magnetic mount CB antenna since I rarely use the radio. (It's probably been at least 3 years.) For logistical reason, the CB antenna will probably have to go behind the ham antenna for coax reasons. Routing the CB coax through a door will allow rain to enter. Construction on the rear hatch is such that any water that enters drains down and out. I can run the coax into the car through the rear hatch with no problems. I know because I did that with the ham coax before the NMO was mounted.

Is there gonna be enough room on the roof for both antennae without blowing out a radio? It's a stock Cobra CB and a Yaesu FT-8900 ham radio with 50W max.
 

KK4JUG

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I sorta thought so. I don't think the Yaesu would be in any danger and if the Cobra became toast, it wouldn't be a great loss. If I get a puff of smoke and whiff of ozone, I'll dump the CB at the next rest stop.
 

slowmover

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The route to KS to maximize miles spent with significant truck traffic is in the last posts showing maps in the Truckers Still Use CB? thread

IH-75 to Chattanooga, GA, and IH-24 to Nashville, TN will from ATL to Nashville hit a heavy corridor.

Nashville to Memphis, TN on IH-40, another.

IH-55 is usually quiescent, but stay west on 40 to OKC, and it should be fairly active. Then again on IH-35 north.

— I notice there’s a belief that a short antenna is sufficient. I couldn’t disagree more as most CB radios installed are done poorly. You must overcome the deficiencies of the other mans system.

5’ minimum. A WILSON 5000 is a great choice based on experience in yakking with many pilot car radio operators over the years. A 5’-6’ Skipshooter on a triple mag even better.

A four-wheeler on air gets interest. Especially when he’s got a great sound

I doubt I have to mention power hookups.


A U-980 + KL-203 is a satisfactory minimum to own (even if amp never used except for emergency).

That last part is just Boy Scout preparedness
There may be other vehicles on other trips where the pairing is ideal. 4W won’t get out to those with compromised mobile systems.

7C41D9D9-F9C6-48CB-AF14-071D54D6FEDF.jpeg

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KK4JUG

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Slowmover, I appreciate the information but the CB thing is incidental. That's not the purpose of the trip but as one who travels quite a bit, I've found that all the interstates have a plethora of truck traffic. In the last 20 years, I've made the trip at least 25 times. I'll be using Interstates 85, 65, 22, 55, 40 and 35 plus Oklahoma's Muskogee and Cimarron Turnpikes (Birmingham, Memphis, Little Rock, Tulsa, Wichita, et. al.). While I'm not looking for the trucks, I'm sure I'll have plenty to deal with.
 

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I've got my amateur radio antenna and CB antenna a foot apart with no issues
Interesting.
What's your setup? At the time I had a Kenwood TM281 and a Galaxy DX949 when I noticed the problems mounted in a Dodge Ram 1500.

I now have a Silverado with 3 radios mounted in it. I have an Icom ID5100, RCI 2950DX and a Motorola analog VHF radio, which I need to take out. Haven't tried the current setup with out the low pass filter yet but as it sits now it's one of the best installs I have done and I have no detectable engine noise or any RFI from the engine. The antenna for the Icom and Motorola are mounted on the roof of the Silverado with about a foot or more separation and haven't noticed any issues yet. But when I had the same Motorola in my old patrol car with the antennas a little further apart there was definitely some interference. I used the old Motorola like a scanner to monitor surrounding agencies and the 2 meter repeaters.

In the Dodge, before I put the low pass filter in, the radios would interfere with each other (front ens overload). Even with the CB turned off, if I tried to talk on the 2 meter radio the s meter on the Galaxy would move. :)

I'm wanting to add another radio to the Silverado and trying to decide which digital mode (DMR or C4FM) and the antenna setup. I'm also going on a trip but at the end of July from Georgia to Indiana and back.

FWIW this part of the hobby interests me more. I like tweaking the setup, as in the installation, antennas and antenna mounts etc, for optimal performance and ease of use with little to no interference.
 

nonperson

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Slowmover, I appreciate the information but the CB thing is incidental. That's not the purpose of the trip but as one who travels quite a bit, I've found that all the interstates have a plethora of truck traffic. In the last 20 years, I've made the trip at least 25 times. I'll be using Interstates 85, 65, 22, 55, 40 and 35 plus Oklahoma's Muskogee and Cimarron Turnpikes (Birmingham, Memphis, Little Rock, Tulsa, Wichita, et. al.). While I'm not looking for the trucks, I'm sure I'll have plenty to deal with.


I don't turn on the CB much anymore because of the language others use on it. But when traveling it sure helps when you're trying to get through or around crash scenes on the road. :) The other week someone called me on the CB while in FL on I75. Turns out the truck driver was a ham and seen the 3 antennas on the truck.
 

KK4JUG

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I don't turn on the CB much anymore because of the language others use on it. But when traveling it sure helps when you're trying to get through or around crash scenes on the road. :) The other week someone called me on the CB while in FL on I75. Turns out the truck driver was a ham and seen the 3 antennas on the truck.
My FT-8900 is a dual band and I keep one side on 146.52 on the road for that reason. It's been close to 3 years since the CB was alive in there. It's one of those "everything-in-the-microphone" Cobras and it stays somewhere in the car as a last resort means of communication.

(Come to think of it, I haven't seen it in a while. Maybe I should make sure I still have it before I make all these grandiose plans.)
 

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Slowmover, I appreciate the information but the CB thing is incidental. That's not the purpose of the trip but as one who travels quite a bit, I've found that all the interstates have a plethora of truck traffic. In the last 20 years, I've made the trip at least 25 times. I'll be using Interstates 85, 65, 22, 55, 40 and 35 plus Oklahoma's Muskogee and Cimarron Turnpikes (Birmingham, Memphis, Little Rock, Tulsa, Wichita, et. al.). While I'm not looking for the trucks, I'm sure I'll have plenty to deal with.

Respectfully (purely for consideration):

Opening of your thread post was that you wanted to know what was going on out there (paraphrase consistent with what’s written).

I’m old and you’re older. But I have hundreds of thousands of miles the past dozen years and have gone to the trouble of significant radio system upgrades.

In that vein: I believe it’s a mistake to discount the nudge which came to investigate all over again what CB is and isn’t. I’m recommending: trust that.

I’m no fan of that radio you have. Promise & performance don’t match up well. Sort of okay for a Jeep club member (I’d rather have a PRESIDENT Bill) so allow me a suggestion:

There is more than one thread about the PRESIDENT Randy
AE059A35-7AFE-49A3-B87B-273C575F7CEE.jpeg
If you’ve wanted one, your trip is a good test. I have no problem stating it’s the fair equal to a UNIDEN 880 used as a mobile given the rest of the systems are ideal .

A RAM Mount or similar. A VOX mic or not. KES-5 speaker. KL-203. And best antenna
08321526-CA68-4408-82E5-689E4E64500D.jpeg.

— The WEST MOUNTAIN RADIO CLEARSpkr is the true game-changer. I regularly converse with men who can’t be heard by those around me.

3B08D607-DE2F-4DCE-8B6A-1ED8E66AD551.jpeg



My 885 Road Trip thread goes past this. I’m frustrated by not being able to convey what a top system provides. The words sound the same, but the experience is worlds away from what nearly everyone else believes CB capable.

I’ve gotten better on-air. Knowing what I want and persisting until I get it. That wakes up others and what happens on-air shifts. In approximately 3,000-hrs annual use it’s not about quantity, wholly, it’s in the quality of comms.

The Road is not what it was circa 2014. Nothing at all like 1989 or 1978.

The exchange of information (intelligence) is background. There are many acute observers with whom one can run the roads. He’s headed one way and I’m headed another. Two ships on the sea

Have the gear. Otherwise this won’t occur.

Believe me that those radios and operators stand out. The mystery is why others fade when we exchange information.

Hear, and Get Heard ain’t a line of bull.

You can liken it to Command Presence if you want. It’s not about being a loud radio, per se. Your gear can express You.

The others so equipped (quality) have been waiting for others to show up. The Big Road is never the same again. Its about the Few, not the Many.

Yeah, I was around in the 1970s.
That world is gone.

I’ve been a driver 25-years. Past some skills those who haven’t been on the road the past 5-6/years are out-of-date.

This world is different.

I’ll lay money on the reaction anyone savvy to this has in the difference once experienced.

In the large (current) Randy thread you’ll see several recent posts made in the same vein. In that it’s about features. His posts (and mine here) are performance.

It’s what’s under the surface. Between the lines.

Belief about “Citizens Band” is in its name. Tech lags, first, and so does perceived need, second. This post is about that second.

A Door to Perception (that’s not exaggeration).

The Universe comes to understand your interest via use and persistence you’ll meet familiar cousins.

You needn’t reply. It’s an appeal to any reader.

Best

.
 
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Road Trip Note:

If you get thru OKC either before 0730 a ways, or past 1700, Rattlesnake should be on-air (base station just N-N-W of the IH35/IH40 junction).

I can usually pick out his distinctive alligator voice from the South on IH-35 by about Norman and keep him in range until I’m near Guthrie.

“Skip”, I’ve literally heard him from Death Valley to Maine. No mistaking that voice.

He’s a character of the right sort to my way of seeing things. He’s also great about feedback on your system. Ask the tech-related to be heard in your TX.

Distance will depend on what antenna he’s using. If your system can’t match my marks and it’s past sundown or pre-dawn (0530) your rig didn’t past the test . . in reality it should be better than my big truck.

— The bypass around Memphis on the far south side in Mississippi sure is great to get to IH-55. If for some reason you want a radio checked, one of THE best techs is Ray Brashear in West Memphis. 50-years plus. Not of the ordinary run. Ck hours and call ahead. (Next to Petro). Exit MLK Dr.

Clap an antenna analyzer on what you’ve got.

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KK4JUG

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Slowmover, you have waaay more interest in this than I do. I'll be traveling alone and the CB will simply be another method to ward off boredom. I have the ham radio but that is usually much more quiet than one would expect. I have an SDS200 and satellite radio in the car, too.

Way back when, my interest in CB was much greater than it is now. My first call sign was 17W3288 and my first radio was a Channel Master, 3-channel crystal job. Of course, I had the 102" whip because it was cool. The FCC realized that call sign configuration belonged to another country so they took it away and gave me KGI3126. In time, the air waves got crowded and were filled with what is best described as "crap" and that's when I started losing interest. I never really regained it.

I've always had a CB radio around somewhere but I rarely saw them, let alone used them. For this trip, the CB radio is simply something to do. Period.
 

KK4JUG

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If you're talking to me, things didn't pan out. I've actually made the trips three times since that post. Because of a death in the family the day before I made the first trip, I spent a lot of time on the phone and was otherwise preoccupied. As executor of the estate and the only surviving relative, I subsequently made a couple of more trips. The CB never entered my mind. I still have connections in Wichita so maybe next time.
 
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