1. T. Lewis, Empire of the Air: The Men Who Made Radio, (New York, Harper Collins, 1991).
2. Aitken and Hugh G.J., The Continuous Wave: Technology and American Radio, Vol. 54 (2014).
3. H.G. Schantz, A Brief History of UWB Antennas, 2003 IEEE Conf. Ultra Wideband Syst. Technol. UWBST 2003—Conf. Proc. 209 (2003).
4. R. Yadav, V.S. Pandey, and S. Kumar, A pattern reconfigurable graphene-based Yagi-Uda antenna with TM01$δ$ mode generation for THz applications. J. Mater. Sci. Mater. Electron. 32, 5325 (2021).
5. F. Government and N. Telecommunications, Federal Communications Commission Before the Federal Communications Commission Washington , D.C. 20554 In the Matter of Revision of Part 15 of the Commission ’ s Rules Regarding Ultra-Wideband Transmission Systems Petition for Waiver of the Part 15 UWB, 24558, (2010).