Cascadia Antenna Solutions

Discussion in 'CB Radio Forum' started by mike5511, Apr 30, 2014.

  1. craig_sez

    craig_sez Road Train Member

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    Someone explain the c # on bottom right of screen and the L on left..
    One os capacitive but dont know the other and what their purpose is..What # is to high and not high enough??
     

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  3. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    Here is a pretty good article on making your own balun.
     
  4. craig_sez

    craig_sez Road Train Member

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    Well ill have to look it over when im home..Im behind my ppanned depart time so im gonna put down the phone,fill my cooler and fridge,stroke a few lines on the book and roll..
     
  5. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    C is capacitance and L is inductance.

    Your numbers at 27.185 are #### near as good as it gets.
     
  6. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    C is capacitance and L is inductance.

    Your numbers at 27.185 are #### near as good as it gets.
     
  7. craig_sez

    craig_sez Road Train Member

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    I know 27.185 swr and r and x #'s are good just the other two the cap and ind #'s..Whats good vs bad..
     
  8. rabbiporkchop

    rabbiporkchop Road Train Member

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    The only established formula that I'm aware of is speed of light divided by frequency. But to each his own I guess.
     
  9. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    If x is less than zero, it is capacitive. As x nears zero, you'll see it flip from capacitive to inductive and back and forth. This is the point where the antenna is resonant.

    If x = exactly zero, the antenna is neither capacitive or inductive. Z (impedance) is purely resistive.

    In the real world, it doesn't stay exactly at zero.
     
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  10. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    You move the resonant point by shortening or lengthing the antenna.
     
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  11. rabbiporkchop

    rabbiporkchop Road Train Member

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    That seems to contradict what many ham operators would have us believe. If that's the case, I suppose we can disregard their advice regarding cable length.
     
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