Dear All-

Suppose I have a circularly polarized receive antenna immersed in a
circularly polarized EM field of x watts per square meter. At the antenna
terminals, I receive y watts of power.

Now suppose I put that same antenna in a linearly polarized field of x
watts per square meter, coming from the same direction. If I understand
things right, at the antenna terminals, I should receive y/2 watts.

Do I have this right?

Assume all nominal conditions, i.e., rotation of circularly polarized field
matches the antenna properly, all measurements in far field, the antenna is
oriented for maximum signal, etc.

Don Borowski
Schweitzer Engineering Labs
Pullman, WA


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