Topband: Another DXpedition 160 Vertical Idea

Joe Subich, K4IK k4ik at subich.com
Thu Jan 27 22:55:27 EST 2005



> I've seen this warning many times, but when I actually compared a 
> half wave vertical with no radials to a quarter wave vertical with
> 32 radials, the difference was too close to measure (ie less
> than 3 dB).  This comparison was done on 20 meters, so we can't
> be certain that the results would hold on 160 meters.  Still, it
> does suggest that the losses aren't all that high.

On the other hand, NBS had to install radials under the half wave 
verticals (center fed) at WWVH.  There was too much ground loss 
without the radials. 

73, 

   ... Joe, K4IK 
 



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