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Coax cable installing

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wpwx694

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I want to install 4 coax cables to 4 antennas and feed coax through one hole in the truck.

Will that cause interference?

1st antenna is dual band ham
2nd antenna is uhf antenna
3rd cb antenna
And 4th antenna is 10 meter antenna.

Or do I need to do 4 holes?

Thanks
 

mmckenna

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I want to install 4 coax cables to 4 antennas and feed coax through one hole in the truck.

Are these permanent mount antennas or magnetic/clamp type mounts?

Will that cause interference?

Running the coaxial cable together should not be an issue if it's even remotely good coax.

1st antenna is dual band ham
2nd antenna is uhf antenna
3rd cb antenna
And 4th antenna is 10 meter antenna.

Or do I need to do 4 holes?

Not unless you really want to drill more holes. Trick will be properly sealing everything. You also want to protect the cable from sharp edges. Might be easier to drill four holes and use properly sized grommets to seal the entrance and protect against chaffing. Or do one larger hole with a grommet and then seal it up with silicone.

 

wpwx694

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Nmo, I nmo get their own hole the antenna side, just would like to do 1 hole to feed the coax
 

ladn

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3rd cb antenna
And 4th antenna is 10 meter antenna.
Both of these will be fairly long antennas. You might be able to get acceptable performance with a single antenna.

You'll also want to be careful with antenna placement, especially if you are running a lot of power on CB or 10M.

1st antenna is dual band ham
2nd antenna is uhf antenna
Is your UHF antenna for GMRS? You might find that one of the multi-band LMR antennas will work well.
 

mmckenna

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Nmo, I nmo get their own hole the antenna side, just would like to do 1 hole to feed the coax

OK, I take it you are not mounting these on the roof of the truck.

So, I'd probably look at the exact install location and figure out what would be required to properly seal the pass through from water/exhaust/etc. intrusion.

On my service truck at work, I had to run a large DC power cable to one of the cabinets for an inverter. I used a big sealing gland connector that allowed me to drill one large hole, install the sealing gland, run the wire through, and then tighten it down. That was 8 years ago and I've had no issues with water intrusion/corrosion, or anything else. I made sure I mounted it so it's facing sideways towards the frame, that way water isn't getting kicked up off the road at it.

For coax, and I assume you are trying to get into the cab, some just stuff the cable through a cab vent on the backside of the cab. That'll work, but it makes it difficult to properly seal. I always kept an eye on keeping everything factory sealed to prevent moisture, bugs or exhaust entry into the cabin.

I'd probably use something like these, one for each cable to ensure sealing, and in the appropriate size for the coax you are using:
 
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