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[world-cruising] ssb antennas....

From: susan meckley (no email)
Date: Sun May 13 2007 - 01:05:21 EDT

  • Next message: Stephen & Lu Ann: "Re: [world-cruising] Re: Cape Flattery to Newport, OR in June or July"

    It seems that almost everyone uses a back stay as a ssb
    antenna....remember that steel, and even stainless steel is a very POOR conductor for
    RF>
       
      Instead, run a separate wire from the back of the boat up to the top
    of the mast. Use this for you antenna, it is copper and is a GOOD
    conductor. Yes, the other wire affrect it, but they do the same thing with
    the backstay. PLUS...you can not solder copper to the stainless
    backstay, so you use some sort of clamping arrangement, and every few months
    get up there and renew everything.
       
      Use a separate copper wire and never have to renew it.
       
      I have been /mm for over 18 years now and have installed too many ssb
    transceivers to count. I always use a sep. wire for the ssb antenna.
    Just make sure that it is not in the arc of the swining boom.
       
      While we are at it...remember a verticle diapole does not have to
    have a good ground.
       
      The /mm verticle is equally poor in all directions, or at least
    almost equally poor. The fact that there is an ocean for a ground lets us
    work out fairly good. But just think, with the verticle half wave
    diapole....wow...look out dx. here we come.
       
      Susan, W7KFI
      USSV Dharma
      enroute to Johnston,Majuro,Kwajalein,Rio,Tarawa...and who knows.....

    If you don't change direction you will arrive exactly where you're headed!!
     
    Susan Meckley, Skipper
    USSV Dharma

           
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  • Next message: Stephen & Lu Ann: "Re: [world-cruising] Re: Cape Flattery to Newport, OR in June or July"

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