[TowerTalk] radials for shunt fed tower

w7kxb at comcast.net w7kxb at comcast.net
Sun Dec 5 12:18:04 EST 2004


James:
     Any chance K3LC's article is available at a web site for downloading?

Carry on

BillH


> Howard, 
> 
> If you're going to add some set number of additional radials, without 
> question, adding more 130' radials would be more beneficial than adding 65' 
> radials.  
> For a fixed number of radials, longer is better than shorter. However, if 
> your question is really how to optimize the use of some set amount of wire, 
> refer 
> to the Al Christman, K3LC, article "Maximum Gain Radial Ground Systems For 
> Vertical Antennas" in the March/Arprl edition of NCJ.  He lays it all out there 
> very nicely.
> 
> Also Howard, you gave choices in quarter wave (at 3.5 MHz) increments, 65' or 
> 130'.  The optimum use of your wire will likely turn out to be something 
> other than quarter wave increments.  There is no need or advantage to cutting 
> radials to "resonant" lengths if they are on/in the ground.
> 
> If you didn't save your copy of NCJ, let me know and I'll get it to you as an 
> Adobe Reader email attachment.
> 
> 73,
> 
> Jim W9TM
> _______________________________________________
> 
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> Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
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> 
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