Perfect antenna location on big trucks?

Discussion in 'CB Radio Forum' started by Oldironfan, Dec 31, 2017.

  1. rabbiporkchop

    rabbiporkchop Road Train Member

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    No such thing as a perfect installation on a big truck and it will always be a compromise between performance and convenience.
    I generally run two elements on tractor trailers to compensate for the lack of a ground plane and even out my radiation pattern although it's more complicated to do it that way. Different trucks have different nuances to the installation.
     
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  3. craig_sez

    craig_sez Road Train Member

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    You coiled your coax at the top of the door for swr????? WTH is that supposed to mean!!
     
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  4. ajxm

    ajxm Bobtail Member

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    If the antenna works better when the mount is on metal,could I possibly ground the antenna mount with wire going to the frame?
     
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  5. Jazz1

    Jazz1 Road Train Member

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    I get a flat match using a 4' Firestick with my General Lee. Flames shoot out the antennae when I transmit. Opinions vary but I keep it simple
     
  6. craig_sez

    craig_sez Road Train Member

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    Nooooo...Thats not a ground plane......A thats gonna do is help with possible static build up,it also makes the antenna electrically longer...Not physically longer...
    Basically a ground plane is the metal under the ant,the more the better...An antenna basically need to see a mirror image of itself..So some bonding will belp but not a replacement for ground plane..
    Head over to a site called k0bg.org or is k0bg.com
    It will help with the trucker storys about antennas and set up..
     
  7. craig_sez

    craig_sez Road Train Member

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    Flat match.....Get an analyzer on that nefore i would think i got a flat match...See what your resonance point is and what kinda resistance ya got....Might not be liken that pos franny anttnie..
     
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  8. ajxm

    ajxm Bobtail Member

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    Thanks for the input. You just saved me some time and work.
     
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  9. Ridgeline

    Ridgeline Road Train Member

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    Craig, got to yank your chain on this one - "Basically a ground plane is the metal under the ant,the more the better."

    You sure?
     
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  10. craig_sez

    craig_sez Road Train Member

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    Basically yes.......from what i remember reading..
     
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  11. Oldironfan

    Oldironfan Road Train Member

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    Well this is growing into some hot mess.
     
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