To give you the best possible experience, this site uses cookies. Using your site means your agree to our use of cookies. We have published a new cookies policy, which you should need to find out more about the cookies we use. View Cookies Policy.

Patch Antenna Calculator May 2026

[ \frac\Delta Lh = 0.412 \frac(\varepsilon_reff + 0.3)(W/h + 0.264)(\varepsilon_reff - 0.258)(W/h + 0.8) ]

[ \varepsilon_reff = \frac\varepsilon_r + 12 + \frac\varepsilon_r - 12\left(1 + \frac12hW\right)^-1/2 ] patch antenna calculator

[ L = \fracc2f\sqrt\varepsilon_reff - 2\Delta L ] [ \frac\Delta Lh = 0

[ W = \fracc2f \sqrt\frac\varepsilon_r + 12 ] where (c) = speed of light ((3\times10^8) m/s) patch antenna calculator