Ring-slot flange for rear-radiating cup feeds

T. S. Bird*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


The author describes the improvement in gain and cross-polar performance that results from the addition to a cup of a flange containing ring-slots. The aperture efficiency of a paraboloidal reflector with a cup feed is considered. A highly accurate model for the radiation from a cup feed is used in the design.

Original languageEnglish
Pages (from-to)672-675
Number of pages4
JournalIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Publication statusPublished - 1987
Externally publishedYes


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