Calculate Antenna Arrays

The calculator will calculate the Array Factor for given values of polar angle, wave length, difference phase of two elements, distance between each two elements and number of elements in array. The antenna arrays are formed by assembling identical (in most cases) radiating elements such as dipoles.
Formula: AF = [ ( Sin (N × φ / 2 ) / ( Sin (φ / 2 ) ]
Where,     φ = ( k×d×Cos θ) + β     k = 2 π / λ
Polar Angle (θ): 
Wave Length (λ): 
Difference Phase of two Elements (β): 
Distance between each two Elements(d): 
Number of Elements in Array (N): 
Array Factor (AF):