Topband: 3 el in line array/broadside

k8gg at voyager.net k8gg at voyager.net
Fri Mar 26 11:12:31 PDT 2010



Wolf DF2PY wrote:

Hi friends in radioland ! 
> 
> I am in the process of setting up three verticals spaced ¼
wave in line 
> and 
> plan to feed with equal phase for
broadside radiation. Supposedly the 
> broadside lobe drops
another 10 degrees compared to a 2 el broadside with 
> ½

> wave spacing and the gain should increase by appr. 1 db.
Anybody out there 
> with experience or reliable modelling
capabilities ? 
> 
> 73 de wolf DF2PY 

OM
Wolf - don't forget that endfire with the three elements phased -90 
0  +90 and the current distributed 1 - 2 -1 that the antenna will
give 5-6 db gain and a nearly triangular lobe approximately 90 degrees
wide.  Easy to reverse directions also!  

GL
& 73   George  K8GG



More information about the Topband mailing list