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Basic NEC with Broadcast Applications by J.L. Smith

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1.1 The Nature of NEC-2

It is important to recognize that the Numerical Electromagnetics Code (NEC) is no magic tool—it does some things very well but it cannot do other things. In spite of this, it is a valuable tool that makes a significant contribution to easing the design and adjustment of medium-frequency (MF) broadcast directional antennas.

The user of NEC-2 should have realistic expectations, and recognize from the outset, that the results of a NEC-2 analysis are, at best, an approximation, and they are not necessarily exact answers. Fortunately, however, the results of a NEC-2 analysis need not be precise to be beneficial.

1.2 The ...

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