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Re: Topband: Quick question on radials

To: <g3nrw@yahoo.co.uk>
Subject: Re: Topband: Quick question on radials
From: <jacobsen_5@msn.com>
Date: Sun, 6 Jan 2008 12:28:37 -0600
List-post: <mailto:topband@contesting.com>
  ----- Original Message ----- 
  From: jacobsen_5@msn.com<mailto:jacobsen_5@msn.com> 
  To: g3nrw@yahoo.co.uk<mailto:g3nrw@yahoo.co.uk> 
  Cc: Topband<mailto:Topband@contesting.com> 
  Sent: Sunday, January 06, 2008 12:07 PM
  Subject: re:Quick question on radials


  Ian, G3NRW, was asking about the most efficient use of wire for radials.

  Ian, IF I remember correctly, the ARRL antenna book  OR  ON4UN's book on low 
band antennas, has chart/graph on the most eff. use of wire for radials. If I 
get time, I'll dig through the books and see if I can find the info for you.

  Good luck with the project.
  73 es GDDX
  K9WN  Jake

  Ian and all......... ARRL Ant. Book/20th ed. Page 3-10. Table 1. In short:
  If you have 1.6 wave lngths of wire, put down 16 radials, 0.1 wave lngth, 
spaced 22 deg.  Your sig will be aprox -3db down.

  If you have 3 wave lngths of wire, use 24 radials, 0.125 long, spaced 15 deg. 
 sig loss -2 db.

  covers   36, 60, 90, and 120 total radials. 

  Hope this helps.
  K9WN  Jake
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