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NGP Antenna tune

Discussion in 'CB Radio Forum' started by Phantom409, Sep 22, 2011.

  1. Sep 22, 2011 #1
    Phantom409

    Phantom409 Bobtail Member

    34
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    Sep 21, 2011
    Manchester, Tn
    0
    I just purchased a Galaxy 959 radio and a Firestik 4 ft NGP antenna system to mount on a fiberglass body RV.......
    Question is can I tune this NGP antenna with a reg GP jumper coaxial cable?

    any thoughts?

    thanks in advance..
     
    Phantom409, Sep 22, 2011
    Phantom409, Sep 22, 2011
    #1
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  3. Sep 22, 2011 #2
    am89

    am89 Light Load Member

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    Aug 1, 2010
    METRO NYC
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    I think you must use the coax that was supplied with antenna.The ground plane is built into the coax.AFAIK.
     
    am89, Sep 22, 2011
    am89, Sep 22, 2011
    #2
  4. Sep 22, 2011 #3
    Happy_Hamer

    Happy_Hamer Light Load Member

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    Aug 28, 2011
    Illinois
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    From Firestik

    http://www.firestik.com/Catalog/NGP_M2.htm
     
    Happy_Hamer, Sep 22, 2011
    Happy_Hamer, Sep 22, 2011
    #3
  5. Sep 22, 2011 #4
    Phantom409

    Phantom409 Bobtail Member

    34
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    Sep 21, 2011
    Manchester, Tn
    0
    So I need a NGP jumper coaxial to use with the SWR meter in order to tune a NGP antenna?
    Makes sense but why doesn't Firestik include a jumper with their NGP antenna kit? They do say it must be used only with their special cable, but no word about the swr meter jumper coaxial....

    Thanks for the help, guess I'll track down a NGP 3 ft jumper to use with my SWR meter....
     
    Phantom409, Sep 22, 2011
    Phantom409, Sep 22, 2011
    #4
  7. Sep 22, 2011 #5
    Happy_Hamer

    Happy_Hamer Light Load Member

    140
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    Aug 28, 2011
    Illinois
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    Well I have never used the NGP antenna but I would ASSume that since it says the 17 foot piece of coax is the "matching system" then a 3 foot piece of regular coax to check SWR would be fine. The worst you would do is see a high SWR then you would know.

    They have a phone number, 602-273-7151 to contact them, give em a call
     
    Happy_Hamer, Sep 22, 2011
    Happy_Hamer, Sep 22, 2011
    #5
  8. Sep 22, 2011 #6
    Phantom409

    Phantom409 Bobtail Member

    34
    8
    Sep 21, 2011
    Manchester, Tn
    0
    Thanks, Happy Hamer, I'll do just that......
    CB shop says its OK to use the regular coaxial for tuning, but Firestik web site says must be NGP coaxial cable.... no mention of tuning other than it must be done....

    Thanks again
     
    Phantom409, Sep 22, 2011
    Phantom409, Sep 22, 2011
    #6
  9. Sep 23, 2011 #7
    am89

    am89 Light Load Member

    101
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    Aug 1, 2010
    METRO NYC
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    Jumper coax from radio to meter>meter to NGP coax
     
    am89, Sep 23, 2011
    am89, Sep 23, 2011
    #7
  10. Sep 23, 2011 #8
    am89

    am89 Light Load Member

    101
    12
    Aug 1, 2010
    METRO NYC
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    There's no such thing as a NGP 3 ft jumper.
     
    am89, Sep 23, 2011
    am89, Sep 23, 2011
    #8
  11. Sep 23, 2011 #9
    Phantom409

    Phantom409 Bobtail Member

    34
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    Sep 21, 2011
    Manchester, Tn
    0
    Thanks all.....
     
    Phantom409, Sep 23, 2011
    Phantom409, Sep 23, 2011
    #9
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