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Publication of BE420226ApublicationCriticalpatent/BE420226A/xx
H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage