VHF to EHF Performance of a 90-Foot Quasi-Tapered Anechoic Chamber

Abstract
The measured reflection characteristics of a 90-ft anechoic chamber operated by The Aerospace Corporation are reported. The design of this chamber, described as quasi-tapered, is unique in that it tapers from a large rectangular test region to a smaller square transmitting end. This design incorporates the performance advantages of a fully tapered chamber at low frequencies with some of the flexibility of a rectangular chamber when used at higher frequencies. The performance of this chamber is reported from 100 MHz to 93 GHz.

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