NEC4 will do that but the software plus a good interface is a bit costly. Danny, K6MHE At 09:43 AM 2/9/2002 -0500, you wrote: >As a follow up to this thread, has anyone figured out a way of obtaining >accurate >antenna models when using insulated wire? I would love to build a >multiband quad >using teflon coated wire in order to minimize icing during the winter. > >73, Joe