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Tuning the CB Antenna for Optimum SWR

Discussion in 'CB Radio Forum' started by Smith Edwards, Jun 10, 2017.

  1. Jun 10, 2017 #1
    Smith Edwards

    Smith Edwards Bobtail Member

    8
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    Jun 5, 2017
    Cary, NC
    0
    [​IMG]
    Antenna length is directly related to signal frequency. Therefore, it must be tuned to resonate optimally throughout the frequency range of the transceiver. Lower frequencies require a longer antenna than higher frequencies. Due to the various methods of adjusting antennas for proper SWR, we have chosen what we think is the optimum method:
    Read More: :arrow: Tuning the CB Antenna for Optimum SWR || Stryker Antennas
     
    Smith Edwards, Jun 10, 2017
    Smith Edwards, Jun 10, 2017
    #1
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  3. Jun 11, 2017 #2
    Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Jan 20, 2010
    Hesperia, Ca.
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    Looks like we have a new instructor, same subject, "New" Teacher/Instructor. I wonder is this instructor is more advance or is this class gonna be a easy "A"(stuff we heard a million time on here already).
    CLASS IS IN SESSION........
     
    Diesel Dave, Jun 11, 2017
    Diesel Dave, Jun 11, 2017
    #2
    Ougigoug and bored silly Thank this.
  4. Jun 13, 2017 #3
    Meteorgray

    Meteorgray Heavy Load Member

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    Sounds like boiler-plate-accurate instructions to me.
     
    Meteorgray, Jun 13, 2017
    Meteorgray, Jun 13, 2017
    #3
  5. Jun 13, 2017 #4
    skellr

    skellr Road Train Member

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    skellr, Jun 13, 2017
    skellr, Jun 13, 2017
    #4
  7. Jun 19, 2017 #5
    smokinjublies

    smokinjublies Bobtail Member

    1
    0
    Jun 19, 2017
    0
    First Post,

    I get a 1:1 SWR throughout the entire band on my Uniden 980SSB using the built-in SWR meter. I'm using about 7 ft of Times Microwave LMR240 connected to a Firestick 4'.

    I was using an 18' Wilson cable, getting 1.25:1 SWR (Channel 1) and somewhere around 3.5 on channel 40...

    LMR is a better cable...but not that much better. What am I missing?
     
    smokinjublies, Jun 19, 2017
    smokinjublies, Jun 19, 2017
    #5
  8. Jun 20, 2017 #6
    Meteorgray

    Meteorgray Heavy Load Member

    754
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    Jan 1, 2016
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    I would use an external SWR meter to double-check that integral meter. It is pretty unusual to get a perfect SWR on all channels, especially with a four-foot antenna. Is the needle responding at all when changing channels?
     
    Meteorgray, Jun 20, 2017
    Meteorgray, Jun 20, 2017
    #6
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