Jeff Liebermann wrote:
On Fri, 31 Oct 2008 04:18:35 -0500, Scott Stephens
wrote:

Can NEC2 plot radiation resistance vs. frequency?

Yep. For example, 4NEC2
http://home.ict.nl/~arivoors/
can plot:
http://802.11junk.com/jeffl/antennas/gnd-plane-02/slides/impedance.html
for this ground plane antenna:
http://802.11junk.com/jeffl/antennas/gnd-plane-02/


NEC2 doesn't plot anything.. purely text.

And while it can calculate feedpoint impedance vs frequency, which any
number of programs can plot, that's not radiation resistance.