Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OGATA Yuji and TAKAZAWA Hiroki and SUGITA Tadao and HORI Toshiaki and YOSHIMI Tomofumi,Automatic antenna impedance matching circuit for the medium-wave AM radio 10kW transmitter,ITE Technical Report,0386-4227,The Institute of Image Information and Television Engineers,1992,16,29,31-36,https://cir.nii.ac.jp/crid/1390282679498817280,https://doi.org/10.11485/tvtr.16.29_31