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[aprssig] Quad antenna construction techniques

Shanon Herron ka8spw at sbcglobal.net
Tue Jan 9 12:28:04 UTC 2007


I Rich,
   
    I usually slide a snug fitting hardwood dowel rod into the PVC to stiffen it up.
   
  Good luck, Shanon KA8SPW

Andrew Rich <vk4tec at tech-software.net> wrote:
      Gudday
   
  Building a quad for vhf for aprs.
   
  I have tried metal boom (hopeless) plastic (ok) and wood (good)
   
  I am open to suggestions on how to hold the vhf quad elements in place.
   
  I have used dowel spreaders with notches cut into them before.
   
  How about arrows ? they seem to have plastic bit at the end - a "bow nock"
   
  I would like to try some more rigid wire this time, last time i used some failry flimsy stuff.
   
  Got any tips for building 145 MHz quads ?
   
  Cheers 
  -----------------------------------------
Andrew Rich
Amateur radio callsign VK4TEC
email: vk4tec at tech-software.net
web: http://www.tech-software.net
Brisbane AUSTRALIA 
   
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