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The module at the top middle shows a two dimensional coordinates system. The horizontal axis represents x-axis, while the vertical axis represents z-axis. Two dipoles are placed at a distance d along the z-axis. A small circle E sun theta in the fourth quadrant makes an angle theta with the x-axis. An arrow from the circle points towards the vertical axis.

The module at the top right shows a graph. The horizontal axis represents theta in degrees from 0 to 180, while the vertical axis ranging from 0.0 to F sub max. The graph plots a sinusoidal wave along the horizontal axis.

The module at the below left shows a dipole and two lobes in the polar coordinate system. The dipole is placed along the vertical axis of the system, while the lobes are placed along the horizontal axis.

The module at the below middle shows two dipoles and four lobes in the polar coordinate system. The dipoles are placed along the vertical axis of the system, while two lobes are placed along the horizontal axis and two lobes are placed along the vertical axis.

The module at the below right shows six lobes in the polar coordinate system. Two lobes are placed along the horizontal axis. Two lobes are placed above the horizontal axis, while two lobes are placed below the horizontal axis.

The input is as follow:

Set array

Elements spacing d equals 1.0 lambda

Number of elements

A radio button is off that reads 1

A radio button is on that reads 2

A radio button is off that reads 3

A radio button is off that reads 4

A radio button is off that reads 5

A radio button is off that reads 6

Element type

Instructions

A radio button is on that lambda over 2 dipole

A radio button is off that reads parabolic reflector