Not free but the software "antenna model" looks interesting
since it does have some corrections to the MININEC code
With MMANA one has to be careful due to the MININEC
code problems that hasn´t been corrected (AFAIK).
For me NEC4 is too much money, can´t justify it.
/ Jim SM2EKM
Jim Lux wrote:
> At 06:08 PM 12/24/2006, Bob Nielsen wrote:
>> Of course, NEC4 isn't anywhere close to "free".
> True, but the original poster was looking for a comparison. And that
> comparison (NEC4 wasn't used in the previous comparison) might
> justify forking out the few hundred bucks for the NEC4 engine. Could
> be worse.. other codes like HFSS are even pricier, but if you need
> it, you need it.
> MMANA also (I understand from reading.. I haven't used it) uses the
> MININEC modeling code, not the NEC codes.
> There are some significant differences, particularly for antennas
> with "non thin wire" elements and ones that are "close to the ground".
> FWIW, I use 4nec2 as the front/back end, and both NEC2 and NEC4 back
> ends, although I've got a fair amount of one-off stuff for specific
> applications in VB, C, and Matlab that calls the NEC4 (or NEC2) backend.
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