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This paper presents the latest progress in demonstrating and characterizing the Traveling-Wave Antenna Array (TWAA) as a Multioctave Planar Phased Arrays (MPPA) capable of efficient wide-angle scan over multioctave bandwidth. (Beam Steering Network (BSN) and T/R module are not included here.) Four brass board TWAA panels having 16∗16 array elements were fabricated and tested for wide-angle scan up...
Full-fledged characterization of Traveling-Wave Antenna Array (TWAA) for wide-angle scan up to 60° off broadside over 2–12 GHz was first presented in 2015 IEEE Antenna Symposium by this author. Ironically, in the same Symposium, presentation by Neto and Cavallo stated that no “Connected Array” has yet reached a bandwidth of 2:1 due to poor cross-polarization higher than −10 dB. This paper shows that...
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