00768nam a2200217 a 450000100060000000300080000600500170001400800410003103500190007204000370009104100080012808200260013610000290016224501930019125000110038426000650039530000410046050000190050165000110052070000190053167133BD-RjUL20211209081623.0170322s1943    nyua          000 0 eng d  a(BD-RjUL)67264  aDLCcSNNdOCLdEQOdBD-RjULbeng  aeng  223a621.384bNIP 19431 aNilson, Arthur Reinhold.10aPractical radio communication :bprinciples, systems, equipment, operation, including very high and ultra-high frequencies and frequency modulation /cby Arthur R. Nilson and J. L. Hornung  a2d ed.  aNew York ;aLondon :bMcGraw-Hill Book Company, inc.,c1943.  axxiii, [2], 927 p. :bill. ;c24 cm.  aIncludes Index 0aRadio.1 aHornung, J. L.