Added: 2 years ago
From: JimWB8SIW
Views: 7,840
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  • Jim: Very expert sending, I would guess about 25 WPM, HERE IS THE MESSAGE FOR THOSE WHO MAY BE WONDERING: Ivary 9, 2010 ---- The plan for broad use of x ray body scanners to detect bombs or weapons under airline passengers clothes has rekindled a debate about the safety of delivering small doses of radiation to millions of people a process some experts say is certain to result in a few additional cancer deaths. Leebm29

  • what exactly does the relay do?

  • @er10b

    A relay is an electric switch. You use a manual switch to operate a 2nd electro-magnetic switch. By doing this a person can handle a low voltage / low current circuit to turn off & on a high current high voltage circuit that you would not want to get your hands on.

  • excelente video felicidades, yo fui telegrafista de los nacionales de mexico hasta 1997 fecha en que se privatizo y aunque no es el mismo alfabeto que usabamos creeme que me trajo gratos recuerdos.

  • Excellent video.. I have been thinking about buying a sounder. Is there a way of putting this inline with a rig to hear the code via sounder rather than AF?

    73s

    Cameron/AE5UZ

  • I'm reading about medium theory and this is exactly what I wanted to see! Thanks!

  • QRS hi hi

  • Excellent railroad/Western Union Morse code sending. When I worked for the CNR SP CPR we used .  . instead of __ for zero, even thought the long dash is correct. Best regards Lee Mason MA at KA

  • Thank you very much for this nice and interesting video.

    Best regards

    DL3ZM

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