[TowerTalk] EZNEC- needs improvement

jimlux jimlux at earthlink.net
Sun Apr 19 07:26:18 PDT 2009


RLVZ at aol.com wrote:
>  
> Hi Jim,
>  
> Again- I am not trying to create trouble here but see computer modeling  
> software improved.
>  
> Yes- do have poor performance with verticals, but you mentioned that you  
> live in a heavily wooded area.  Verticals work poorly in heavily  wooded areas so 
> I don't believe that's a fair environment to compare verticals  to 
> horizontals.
>  
> Our club once operated Field Day with verticals on 40-10m. in a  heavy wooded 
> area.  The shade was wonderful for keeping us cool but  the verticals worked 
> terrible even on distances over 1,000 miles.   Computing modeling should try 
> to take the environment more into effect... I  wouldn't be surprised if a 
> heavily wooded area attentuated a verticals radiation  by as much as 20dB.
>  
> 73,
> Dick- K9OM
>  


Jumping in late here..

It's not so much that modeling software needs improvement... it's pretty 
good at telling you want the EM field will be in a given situation.

   It's the applications knowledge that needs improvement. Tools to help 
build the model. Tools to help interpret the results.

Jim


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