Jump to content

Template:Did you know/9

From HamWiki
  • … that Morse code is about 15 dB more effective than voice for the same power?
  • … that the first known printed use of "Elmer" for a ham radio mentor is commonly said to be a 1971 QST column?
  • … that in the phonetic alphabet, 9 is spoken as "niner" to separate it from "five" and from the German "nein"?
  • … that Jamboree on the Air grew from a 1957 idea by British amateur Leslie Mitchell, G3BHK, and was first officially held in 1958?
  • … that Swan Electronics began with ten single-band transceivers built in a garage in Benson, Arizona, nine for 20 meters and one for 40?
  • … that the Numerical Electromagnetics Code, whose NEC-2 version sits underneath most amateur antenna-modeling programs, was developed at Lawrence Livermore National Laboratory for the US Navy?