beam stearing theory not working in CST simulation

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yefj

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Hello, I have constructed an 5X1 patch array where there is zero phase between elements i get the pattern shown bellow,
but when i do 0 30 60 90 120 phase exitation the beam moved only ny 8 degrees.
Why is that?
Where did i go wrong?


 

Your result is consistent with this online calculator:

 

The element spacing (81mm) is near 1λ. Make it λ/2 and you will get about 15 deg.
 

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