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Amateur Extra · FCC ELEMENT 4

E9B08

Amateur Extra · FCC Element 4 · answer reveals automatically

EXTRAE9 · Antennas and Transmission Lines
E9B08

What is the far field of an antenna?

AnswerThe region where the shape of the radiation pattern no longer varies with distance

In the far field, the angular radiation pattern has stabilized and no longer changes shape as distance increases.