I also saw the original at Hackaday here: https://hackaday.com/2018/07/11/ham-designed-gear-used-in-thailand-cave-rescue/
On Fri, Jul 13, 2018 at 11:33 AM David Cutter via Elecraft < [email protected]> wrote: > I liaised with John around 25 years ago to set up what we thought would be > a > unique event: communicating from underground in Stump Cross Caverns North > Yorkshire, to an HF station on ground, then to the world. We had a couple > dozen scouts and members of my club helping at the event for JOTA. We ran > out of time before we solved all the little issues but it was an intersting > experiment. He was using an original Hey Phone and wasn't sure if it was > legal - I thought it was arguably not a radio wave, ie could propagate into > space. At the time we were licensed for 73kHz but that was too close to > big > inerferers, Rugby I think, hence moving up a little. > David G3UNA Ripon ADARS > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Charlie T > Sent: 13 July 2018 08:13 > To: [email protected] > Subject: Re: [Elecraft] OT - The HeyPhone > > When you click on the link, be sure to capture BOTH lines because if you > simply click on top line, it will NOT add the second line and will come > back > with a "file-not-found" pop-up. > > 73, Charlie k3ICH > > > > > > -----Original Message----- > From: [email protected] <[email protected]> > On > Behalf Of Mike Flowers > Sent: Friday, July 13, 2018 10:50 AM > To: 'Elecraft Reflector' <[email protected]> > Subject: Re: [Elecraft] OT - The HeyPhone > > > http://www.arrl.org/news/radio-technology-designed-by-radio-amateur-used-in- > thailand-cave-rescue > <http://www.arrl.org/news/radio-technology-designed-by-radio-amateur-used-in-thailand-cave-rescue> > > > - 73 and good DX de Mike, K6MKF, Past President - NCDXC > > > -----Original Message----- > > From: [email protected] > > <[email protected]> > > On Behalf Of Michael Bower > > Sent: Friday, July 13, 2018 7:48 AM > > To: [email protected] > > Cc: Elecraft <[email protected]> > > Subject: Re: [Elecraft] OT - The HeyPhone > > > > If this article is for public consumption (not just ARRL members), > > could > you please > > post a link? > > > > If not for public consumption, they missed a great opportunity. > > > > Michael N4NMR > > > > > > On Fri, Jul 13, 2018 at 10:29 AM Dauer, Edward <[email protected]> > wrote: > > > > > Interesting article on the ARRL web site this morning about > > > communications assisting the Thailand cave rescue using 87 KHz SSB. > > > > > > Ted, KN1CBR > > > > > > > > > ______________________________________________________________ > > > 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] > > > > > ______________________________________________________________ > > 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] > > ______________________________________________________________ > 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] > > ______________________________________________________________ > 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] > > ______________________________________________________________ > 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] > -- 72, Rich Hurd / WC3T / DMR: 3142737 Northampton County RACES, EPA-ARRL Public Information Officer for Scouting Latitude: 40.761621 Longitude: -75.288988 (40°45.68' N 75°17.33' W) Grid: *FN20is* ______________________________________________________________ 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]
