May 1987 | NTIA Technical Report TR-87-215

Gain Evaluation for an Idealized Curtain Array Antenna

Nancy A. Kuester

Abstract: An expression for the gain of a curtain array antenna over a perfectly conducting, flat Earth with no mutual impedance between elements is derived in this report. A FORTRAN computer subroutine created to calculate the expression is described here. This subroutine considers interelement spacing and length of the individual elements, the spacing between the radiators and the reflecting screen behind the radiators, the antenna design and operating frequencies, and the number of elements in the array.

Keywords: antenna gain; curtain array antenna; HF broadcast

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Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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