. The principles underlying radio communication . Washington : Government Printing Office : 1922 War Department. Document No. 1069. Office of The Adjutant General. War Department,Washington, June 10, following publication entitled The PrinciplesUnderlying Radio Communication, is published forthe information and guidance of all concerned. [, A. G. O.] By order of the Secretary of War: Peyton C. March,Major General, Chief of : P. C. Harris, The Adjutant General. ADDITIONAL COPIES OF THIS PUBLICATION MAY BE PROCURED FROM THE SUPERINTENDENT OF DOCUMENTS GOVERNMENT PRIN

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. The principles underlying radio communication . Washington : Government Printing Office : 1922 War Department. Document No. 1069. Office of The Adjutant General. War Department,Washington, June 10, following publication entitled The PrinciplesUnderlying Radio Communication, is published forthe information and guidance of all concerned. [, A. G. O.] By order of the Secretary of War: Peyton C. March,Major General, Chief of : P. C. Harris, The Adjutant General. ADDITIONAL COPIES OF THIS PUBLICATION MAY BE PROCURED FROM THE SUPERINTENDENT OF DOCUMENTS GOVERNMENT PRINTING OFFICE WASHINGTON, D. C. AT $ PER COPY (Buckram) PREFACE TO FIRST Principles Underlying Radio Communication. Prepared by the Bureau of Standards under the direction ofthe Training Section of the Office of the Chief Signal Officer ofthe Army. Acknowledgment is made of the valuable service renderedthe Signal Corps by the Bureau of Standards through the workof Dr. J. H. Dellinger, physicist, Bureau of Standards, and thefollowin

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