Richard Clark wrote:
Just in case there is nothing wrong with the model, I hereby cede this
to the public domain and this is notice of prior art.

Years ago, I came up with an EZNEC model that has 24 dBi
omnidirectional gain. It can be downloaded from:

http://www.qsl.net/w5dxp/SUPRGAIN.EZ
--
73, Cecil http://www.qsl.net/w5dxp