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^ "Radio Pioneer's Bet A Trick Window Says: Mrs. Frank Conrad Reveals Deception At Wilkinsburg ? KDKA Celebration" Pittsburgh Press Sep.7, 1957 p2
^ "Special Land Station, Alphabetically by Names of Stations" Radio Service Bulletin No.20 Aug.1,1916 Department of Commerce
^ Eric P. Wenaas Radiola: The Golden Age of RCA 2007 Sonoran Publishing p66
^ Alan Douglas Radio Manufacturers of the 1920s (Vol.3 RCA to Zenith) 1991 Sonoran Publishing p2
^ a b Donald G. Little “Dr. Conrad Founds Kdka” American Heritage（Vol.6 No.5） Aug.1955 American Heritage Publishing p72
^ 日本放送協会編 『日本放送史』 1951年版 日本放送協会 p14
^ "Special Land Station, Alphabetically by Names of Stations" Radio Service Bulletin No.37 May.1,1920, Department of Commerce
^ Frank Conrad "Short-Wave Radio Broadcasting" Proceedings of the Institute of Radio Engineers （Volume12 Issue6） Dec.1924 P723
^ "8XK, PITTSBURGH, PA" QST Sep.1920 ARRL pp32-34
^ 日本放送協会編 『日本放送史』1951年版 日本放送協会 p15
^ Air Concert "Picked Up" By Radio Here
Victrola music, played into the air over a wireless telephone, was "picked up" by listeners on the wireless receiving station which was recently installed here for patrons interested in wireless experiments. The concert was heard Thursday night about 10 o'clock and continued about 20 minutes. Two orchestra numbers, a soprano solo ? which rang particularly high and clear through the air ? and a juvenile "talking piece" constituted the program.
The music was from a Victrola pulled close to the transmitter of a wireless telephone in the home of Frank Conrad, Penn and Peebles Avenue, Wilkinsburg. Mr. Conrad is a wireless enthusiast and "puts on" the wireless concerts periodically for the entertainment of the many people in this district who have wireless sets.
Amateur Wireless Sets, made by the maker of the Set which is in operation in our store, are on sale here $10.00 up.
?West Basement
^ 日本放送協会編 『日本放送史』 1951年版 日本放送協会 p16
^ 放送のはじまり 上（アメリカ放送史研究①） 『東海学園国語国文』42号 1992.10 東海学園女子短大国語国文学会 p64
^ Donald G. Little “Dr. Conrad Founds Kdka” American Heritage（Vol.6 No.5） Aug.1955 American Heritage Publishing pp72-73
^ 伊藤賢治 『無線の知識』 1924 無線実験社 pp81-82
^ Frank Conrad “Short-Wave Radio Broadcasting” Proceedings of the Institute of Radio Engineers Volume12 Issue6 Dec.1924 IRE p723
^ W.W. Rodgers "Is Short-wave Relaying a Step Toward National Broadcasting Stations?" Radio Broadcast June 1923 Doubleday Page & Co. p120
^ Frank Conrad "Short-Wave Radio Broadcasting" Proceedings of the Institute of Radio Engineers Volume12 Issue6 Dec.1924 IRE p724
^ C. Austin ”The Romance of the Radio Telephone” Radio Broadcast May,1922 p16
^ 栄谷平八郎 『ラジオ発展史』 1947 通信教育振興会 p48
^ Department Of Commerce Radio Division "Allocation of wave bands for radio telephony" Radio Service Bulletin（Vol.61） May.1,1922 GPO（Goverment Printing Office） p24-27
^ S.R.Winters The Passing of "NOF" As a Broadcasting Station Radio News Mar.1923 EXPERIMENTER PUBLISHING CO., INC., p1623
^ a b Department Of Commerce Radio Division "Recommended Wave Allocations" Radio Service Bulletin（Vol.72） Apr.2,1923 GPO（Goverment Printing Office） p11
^ 1923年4月2日改正、同年4月4日告示、同年5月15日施行
Department Of Commerce Radio Division "Amendments to Regulations, Broadcasting Stations" Radio Service Bulletin（No.73） May.1,1923 GPO（Goverment Printing Office） p11
^ Erik Barnouw A Tower of Babel: A History of Broadcasting in the United States to 1933 1966 Oxford University Press p151
^ 日本放送協会編 『日本放送史』1952年版 1952 日本放送協会 ページ18-19
^ Department Of Commerce Radio Division "Regulations Governing General and Restricted Amateur Radio Stations and Amateur Operators" Radio Service Bulletin（No.75） July 2,1923 GPO（Goverment Printing Office） p16
^ "The New Amateur Regulations" QST 1923.8 ARRL pp13-15
^ D.G. Little, F. Falknor "KFKX, The Repeating Broadcasting Station" Radio Age Mar. 1924 Radio Age Inc. p37
^ a b Frank Conrad "Short-Wave Radio Broadcasting" Proceedings of the Institute of Radio Engineers （Volume12 Issue6） Dec.1924 IRE p726
^ Department Of Commerce Radio Division "NEW STATIONS" Radio Service Bulletin（Vol.66） Oct.2,1922 GPO（Goverment Printing Office） pp4-5
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