Century-bandwidth antenna reinvented, patented after 18 yrs with decade bandwidth (2006)

Article

• 2006 IEEE paper on a wideband antenna design with decade-level bandwidth
• Design was originally developed but unpatented; re-invented and patented 18 years later
• Achieves bandwidth spanning roughly 10:1 frequency ratio
• Technical details behind IEEE paywall

Discussion

• Only two comments: one asking for an explanation, one noting the 2006 date
• No substantive discussion

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