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connection question

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sparky5556

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how do i connect the connection in the attached picture, to a standard coax cable? (rg6)
 

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KevinC

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I moved this to the CB forum since this isn't a scanner.
 

kf4eyr

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rg6 is the wrong coax for a cb unless using a dipole antenna,,, rg 58 and rg 8 is the correct type,,,there are a few others but the coax must be 50 ohm,,rg6 is 75 ohm,,, the connector you need is a pl259 that connector on the radio is so239,,, they are considered uhf connections,,,,,you should be able to find at local radio shack,, if you dont or cant solder i would look for pre made cables,,,,,
 

JayMojave

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Hello S5556: RG6 will work with a little mismatch so not a real big issue, I have used it at times. But as previously said RG58 or RG8 type coax is better.

The bad thing with RG6 is that you can not solder on the PL-259 connector as the RG6 Coax uses a Aluminum Braid wire. So crimping on the Male F connector, and then using a Female F to PL-259 adapter will work.

Even with the right coax soldering on a PL-259 connector isn't a simple task. The net is full of "How To" videos on how to solder the PL-259 connector. Suggest for a new guy practice soldering them on the proper coax. I wish I had a Dime for every antenna set up I have fixed by just replacing the PL-259 connector, and properly soldering it to the coax.

There also suppliers that you can order the type and length of coax with the connectors on the ends.
Good luck, let us know how you make out.

Jay in the Great Mojave Desert
 

AC9BX

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I'm not sure that will help you very much. Reiterating what some have mentioned...

The radio is looking for a 50Ohm antenna system. There can be a mismatch and things will still work okay but it can't be too much mismatch or it will fail. Listening only or transmitter? What is the antenna you will use? If it's a 50Ohm antenna you will want to use 50Ohm coax for the whole thing. RG6 is 75Ohm coax. And as was mentioned, it is most always aluminum braid making it very difficult to solder. There's a problem with adapters like that too. Although BNC connectors for 50 and 75 Ohms typically will mate they may not offer a good connection because the dimensions are a little different. One brand may not mate well with the other. (N connectors for 50 and 75 Ohms do not get along)
High quality RG6 is good coax but is not the best choice for this purpose. RG6 is popular but it's not "standard".
If you want to use coax about the same size, which is fine, look at RG8X or equivalent.
 

Nutes

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Sparky5556

Coming from the perspective of a somewhat novice myself, you will need to follow the advice of the ones who have spoken before me. Use a PL259 Connection with either RG8X (If cable from Antenna to Radio is less than 50 feet) or a better more serious cable of LMR 400 if the run is longer than 50 or so.

I am not sure if you are using this is a mobile in vehicle or a base unit in the house, forgive if I missed that.

I recently set up a base unit at home for communication to handhelds in the field at a 3 mile radius around my house. I scrimped and saved in every place I could EXCEPT my cable and connection to the radio. My run is from the Roof of my house where my base station antenna is (See pictures in my post before this one "CB for Family Set up") and you will see how I made my base antenna. I spent the money on a good run of LMR 400 with the P259 Connection soldered on at the store by someone who knew what they were doing. My run was 60 ft. My range tested so far has cleared up to about 5 to 7 miles on Trucks on the highways around me and about 2.5 miles from my base to handhelds in the woods.
 
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