Perhaps. But when I was doing spook tech in the early 1980’s, modern western nations were already using encrypted digital modes. Encryption was strong enough that tactical intelligence focused on non-content approaches. 35 years later, I would expect that tech to be widespread. Some of what we did showed up in HP products only ten years later.
wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Nov 21, 2017, at 8:50 PM, [email protected] wrote: > > Hi Walter, > > Your doubts have no basis in reality. Many nations -- but not modern > western nations -- still use Morse for military communications, > especially tactical comms. > > 73 > Frank > W3LPL > > From: "Walter Underwood" <[email protected] > <mailto:[email protected]>> > To: "Elecraft" <[email protected] <mailto:[email protected]>> > Sent: Wednesday, November 22, 2017 4:42:24 AM > Subject: Re: [Elecraft] O.T. Morse is not dead, at least in the U.S. Navy > > About training intercept operators … I doubt that Morse is used very often by > the opposition, even with good code books. But if we stopped training people > to read it, that would be a vulnerability. > > wunder > K6WRU > Walter Underwood > CM87wj > http://observer.wunderwood.org/ <http://observer.wunderwood.org/> (my blog) > > > On Nov 21, 2017, at 8:34 PM, Ron D'Eau Claire <[email protected] > > <mailto:[email protected]>> wrote: > > > > Fred, it's called LiFi and uses the ability of LED light sources to handle > > high frequency modulation to send data securely since one has to intercept > > the actual beam to even get the data, much less decode the information. > > Apparently pretty high data rates are possible with the system. > > > > Here's a press article from about a year ago. > > > > http://dailycaller.com/2016/08/10/revamped-100-year-old-lamp-will-help-the-navy-counter-russia-and-china/ > > > > <http://dailycaller.com/2016/08/10/revamped-100-year-old-lamp-will-help-the-navy-counter-russia-and-china/> > > > > I'm sure we Hams will find a use for the technology, Hi! > > > > Way back in 1955 when I was in High School I created a very popular display > > that used my S-38 receiver tuned to a popular station. Current powering a > > 6V lantern passed through the S38's audio output transformer to modulate > > the light. The lighet was received by a photoelectric tube across the > > table, amplified and the sound of the radio station played in a remote > > speaker. The sound could be interrupted by passing one's hand in from of > > the light. > > > > Even though it was an incandescent bulb with its thermal lag, it still > > reproduced good AM quality audio. > > > > It was good enough (in 1955) that I was encouraged to display it at the > > annual Science Fair where it worked too well. Someone stole the > > photoelectric tube from the display before it could be judged -- but I > > still got an A on the project! > > > > 73, Ron AC7AC > > > > > > -----Original Message----- > > From: [email protected] > > <mailto:[email protected]> > > [mailto:[email protected] > > <mailto:[email protected]>] On Behalf Of Fred Jensen > > Sent: Monday, November 20, 2017 12:34 PM > > To: [email protected] <mailto:[email protected]> > > Subject: Re: [Elecraft] O.T. Morse is not dead, at least in the U.S. Navy > > > > OK, what's different then from WW2 signal lamp usage? I thought they were > > using a modified lamp with QRQ Morse decoded in some sort of > > hardward/software device, or a digital mode. > > > > 73, > > > > Fred ["Skip"] K6DGW > > Sparks NV DM09dn > > Washoe County > > > > > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > <http://mailman.qth.net/mailman/listinfo/elecraft> > > Help: http://mailman.qth.net/mmfaq.htm <http://mailman.qth.net/mmfaq.htm> > > Post: mailto:[email protected] <mailto:[email protected]> > > > > This list hosted by: http://www.qsl.net <http://www.qsl.net/> > > Please help support this email list: http://www.qsl.net/donate.html > > <http://www.qsl.net/donate.html> > > Message delivered to [email protected] <mailto:[email protected]> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > <http://mailman.qth.net/mailman/listinfo/elecraft> > Help: http://mailman.qth.net/mmfaq.htm <http://mailman.qth.net/mmfaq.htm> > Post: mailto:[email protected] <mailto:[email protected]> > > This list hosted by: http://www.qsl.net <http://www.qsl.net/> > Please help support this email list: http://www.qsl.net/donate.html > <http://www.qsl.net/donate.html> > Message delivered to [email protected] <mailto:[email protected]> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
