Richard Fry wrote:
NEC in its various forms is an excellent means to evaluate the
radiation from various structures.

But without due care it still can lead to incorrect conclusions about
system performance when propagation effects are present -- as in the
recent thread here about the elevation patterns of MW monopoles.

Here is another situation...

http://i62.photobucket.com/albums/h8...PatCompare.jpg

RF

Your statement is one of the most correct I have ever seen offered in
this group.

However, it, NEC, still remains one of the best available "antenna
prediction" offering of software obtainable to "normal" people ... and
provides some sort of an income for those who write the GUIs' who feed
the text file to it ...

Regards,
JS