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<td> [[Image:FDTD24AFDTD MAN8.png|thumb|left|480px|The domain box of a patch antenna with a finite-sized substrateand ground.]] </td>
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<td> [[Image:FDTD24FDTD MAN9.png|thumb|left|480px|The domain box of a laterally infinite patch antenna with a PEC ground and zero ±X and , ±Y and -Z domain offsets. Note that the bottom PEC plate can be replaced with a PEC boundary condition at the -Z domain wall.]] </td>
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