Substrate material used

Dielectric constant ()

Thickness between ground and lower patch (h₁)

Thickness between lower and parasitic patch (h₂)

Length of the fed patch (L)

Width of the fed patch (W)

Depth of the notch (w_n)

Width of the notch (S)

Length of the first U slot (L_s)

Width of the first U slot (s)

Base width of first U-slot (w_s)

Length of the second U slot (L_s)

Width of the second U slot (s)

Base width of second U-slot (w_s)

Feed location (x₀, y₀)

Length of the parasitic patch (L₂)

Width of the parasitic patch (W₂)

FR4

4.4

1.6 mm

1.6 mm

39.25 mm

29.25 mm

4 mm

15 mm

15.7 mm

1.0 mm

10.3 mm

15.7 mm

1.0 mm

10.3 mm

(−0.275, −4.37 mm)

39.25 mm

29.25 mm