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Roof Mounted Antenna?

Discussion in 'Ham Radio - CB - Trail Communications' started by Alaskanredneck, June 27, 2011.

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  1. Alaskanredneck

    Alaskanredneck Active Member

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    I have a 96XLT and I currently have the taillight mount for a cheep Valor 4ft antenna. I bought a 5 ft firestick with tunable tip and it bends the crap out of my taillight mount. and yes there is a spring on it. I want to mount my antenna to the roof. the firestick mount says not to install longer than a 4ft to the roof because the supplied 2in washer cannot support the drag. I went and had a 6in 00 guage "washer made. My question is should mount it directly to the roof or should i make a light bar and attach it to that?:usa:
     
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  3. rizzjc

    rizzjc Scubajoe - Radio Mod Staff Member Moderator Elite Explorer

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    I'm having trouble picturing exactly what you're working with, but I guess your options are to drill a hole in your roof, or mount to a light bar (which you'd want to ground to the vehicle). I'm not big on drilling hose in my car, especially on the roof, but I guess it's up to you to decide what kind of project you want to get into, and what you want the final product to look like.
     
  4. LONO100

    LONO100 Well-Known Member

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    im in the middle of installing and tuning my first cb radio, but i would suggest not drilling a hole in the roof of your rig. too many problems can come from that like leaks and none of those problems are worth having good cb reception. i would go magnet mount, thats what i did, and i found a good way to hide the coax to where its not even noticable. right now im debating whether i should replace my regular radio antenna with a cb antenna, and then getting a splitter that would allow both the cb radio and the am/fm radio to share the new antenna. you could also go that route.
     
  5. Alaskanredneck

    Alaskanredneck Active Member

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    I'm less worried about the aesthetics, and more worried about the functionality. Rizzjc you are exactly correct those are my two options. I guess the heart of my question goes to structural integrity. What is the stronger location noting the parts i have already listed? Thanks!
     
  6. LONO100

    LONO100 Well-Known Member

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    if this helps, ive been talking to a guy who goes by the name of ronin on the forum who mounted a cb antenna where his am/fm antenna went, and he told me that the sheet metal is too flimsy and would flex with any antenna larger than 2 feet. he said that he planned on fabricating some sort of metal bracketing that he was going to re-enforce the sheet metal with, but ultimately decided to go with mounting a larger antenna on the rear corner of his bumper. i would think it would be the same if you mounted an antenna by drilling holes in your roof. he said he used a spring too, and any time hig wind or a branch would catch his cb antenna while it was mounted on the sheet metal, it would just bend the body panel. when i get my cb antenna set up on my am/fm mount, im going to put a 2 ft antenna in place since i dont need really long range. my cb set up is just for road trips and caravanning on the trails.
     
  7. rizzjc

    rizzjc Scubajoe - Radio Mod Staff Member Moderator Elite Explorer

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    'Course, in addition to the mag mount, you can always make a stronger taillight mount. Like I said, I'm just not a fan of drilling holes in my metal body.
     
  8. Alaskanredneck

    Alaskanredneck Active Member

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    I defiantly understand not wanting to drill holes as I do not either, the problem im rinning in to with the tail light mount is the lack of a ground plane. I think that if it were mounted to a light bar a would still have ground plane but im not sure.
     
  9. Scott B.

    Scott B. Well-Known Member

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    I mounted my K40 antenna through my roof 17 years ago - it has never leaked. Do it right, and you won't have a problem.

    The main reason for mounting in the roof - in the center of the vehicle - is for optimum (or at least as good as it gets) omni-directional use.

    Yes, the sheet metal is a little flimsy - I used a 1/8" aluminum backing plate under the roof panel.

    Over the years, I have installed 4 antennas in the roof - of brand new vehicles.
     
  10. Alaskanredneck

    Alaskanredneck Active Member

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    hey scott any thoughts on the fact that its a 5 ft firestick?
     
  11. lynchy wa

    lynchy wa Down Under Beer Explorer Elite Explorer

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    Down here alot of blokes mount their aerial's to their roo bar or front bumper. Might be worth thinking about as another option?
     
  12. Scott B.

    Scott B. Well-Known Member

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    I would put a spring between the roof mount and the antenna, since the Firestick is not as flexible as the K40.

    Use silicon sealer around the hole. I also used a rubber washer between the antenna mount and the roof - a little extra water seal.
     
  13. Alaskanredneck

    Alaskanredneck Active Member

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    10-4 scott! I'm in the middle of moving so it will be a few weeks but I will take pictures!
     
  14. Scott B.

    Scott B. Well-Known Member

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    Check out this thread if haven't. Post 7 is my truck.
     






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