Roy Lewallen wrote:

...
Roy Lewallen, W7EL

Great little piece of software, but, want something free without the
restrictions?

http://mmhamsoft.amateur-radio.ca/mmana/index.htm

By amateurs, for amateurs--wouldn't be surprised it it used the same
engine a EZNEC--or, that EZNECS' gui used the same engine!

Regards,
JS