patch (microstrip)antenna fdtd code

Hello everyone,

I'm looking for a 3d patch (microstrip)antenna code that actually works.
The one in Sullivan's book is full of errors, has someone found them?
The code by Schneider is impractical...
Any suggestions/advice would be helpful

Thanx

hi,i also try to simulate the fix antenna as in david paper,but i fail to get it,ls if u get it reply me
regards