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Volvo vnl 630 swr 3+

Discussion in 'CB Radio Forum' started by Blue volvo, Nov 15, 2018.

  1. Nov 15, 2018 #1
    Blue volvo

    Blue volvo Bobtail Member

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    Oct 4, 2018
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    I have been working on my setup for sometime on my 2012 volvo 630 I bypassed the multiplexor and ran new coaxial cable to both sides with 2 new firestick adjustable antennas. I have a uniden bearcat 980 and on the swr meter on the readout it is way over 3+ when transmitting I ran a couple ground wires today and nothing has changed. Should I give up and just get a no ground plane antenna or what should I do to diagnose the current problem? I am at a loss and tired of taking everything apart. Thanks
     
    Blue volvo, Nov 15, 2018
    Blue volvo, Nov 15, 2018
    #1
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  3. Nov 15, 2018 #2
    Ridgeline

    Ridgeline Road Train Member

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    Please do not take this wrong but you are leaving out some important info, what do you mean "ran new coaxial cable to both sides with 2 new firestick adjustable antennas" I mean be descriptive about it, like you ran two peices of rg-8x (or what ever) to a tee to the two antenna or what ever you did.
     
    Ridgeline, Nov 15, 2018
    Ridgeline, Nov 15, 2018
    #2
    KB3MMX Thanks this.
  4. Nov 15, 2018 #4
    Blue volvo

    Blue volvo Bobtail Member

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    Ya i ran two Wilson 305-830 with fme connector to a t to my radio.
     
    Blue volvo, Nov 15, 2018
    Blue volvo, Nov 15, 2018
    #4
  5. Nov 15, 2018 #4
    Ridgeline

    Ridgeline Road Train Member

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    How did you hook them up to the radio?
     
    Ridgeline, Nov 15, 2018
    Ridgeline, Nov 15, 2018
    #4
  6. Nov 15, 2018 #6
    Blue volvo

    Blue volvo Bobtail Member

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    With a t connector
    Ancable UHF PL-259 Male to 2 UHF PL-259 Female
     
    Blue volvo, Nov 15, 2018
    Blue volvo, Nov 15, 2018
    #6
  7. Nov 15, 2018 #6
    Ridgeline

    Ridgeline Road Train Member

    22,649
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    Dec 18, 2011
    Michigan
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    Yep that's the problem. take the tee and one of the coax out of line and you should see the SWR drop a lot.

    Dual antennas need a phasing setup, which is not a tee.

    Start with one antenna, get that tuned up and see how it works.
     
    Ridgeline, Nov 15, 2018
    Ridgeline, Nov 15, 2018
    #6
    KB3MMX, Timin770 and TheRATT Thank this.
  8. Nov 16, 2018 #8
    Blue volvo

    Blue volvo Bobtail Member

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    Oct 4, 2018
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    That worked! I hooked up just one antennna and it works great with low swr now! Thanks
     
    Blue volvo, Nov 16, 2018
    Blue volvo, Nov 16, 2018
    #8
    KB3MMX and Timin770 Thank this.
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