I had assumed when I bought my Hyundai Low Radiation monitor that the Low-rad refered to ionising radiation, i.e.X-rays from the faceplate, but it seems not, the low rad refers to electromagnetic rad
Hi folks, Greetings from the Latrobe Valley, Victoria, Australia. I hope that this subject is not too far off topic.... For years I have been interested in "ground conduction" communications. Occasio
Hi Alan, Hi all, I dug out a copy of an article by Nathan Sokal (Pres. of Design Automation) that was published in Design Electronics on 20 Sept 1977 titled "Class E can boost efficiency". I would be
Dear Alan, I can hear, and copy, most of the signals on 136 with a 2.5KHz SSB filter, ................ carrier of DCF39 is only 60dB down, and I get a light trace of the signal on the waterfall displ
Hi Des, However, I have so far not heard Loran but to be honest I don't really know what Loran interference sounds like. So I wonder if someone could please describe for me the sound of Loran so I ma
Hi, I think that I was the first to send PSK31 at 1Khz through the Earth..... My interest was in experimenting with Ohmic "Earth Current" communications as distinct from Magnetic induction or Electro
Regarding non-amateur CW cignals heard on LF, this morning at about 1015utc, on 18.20kHz I was suprised to hear VVV VVV VVV VTX3 several times, interspersed with figures and letter groups, all in pla
Hi Bob, But the intended thrust of this email is to ask about if anyone can find a reference to a BESSEL BANDPASS filter. "Electronic Filter Design Handbook" by Williams and Taylor has a section on "
Hi Bob, But the intended thrust of this email is to ask about if anyone can find a reference to a BESSEL BANDPASS filter. "Electronic Filter Design Handbook" by Williams and Taylor has a section on "
Greetings, Don't forget the old trick of fixing a loudspeaker to the end of a pipe and using the organ pipe resonance frequency. Re Resonant Loudspeakers.. You might like to look at http://www.io.com
I thought CW means Continuous Wave. Am I wrong? Thanks Dick, you are right of course.. "Continuous Wave" as distinct from "Damped Wave" as in a Spark TX... Silly of me.... ............... Zim
Folks, On every HF band the official WIA band plans show that CW operators can operate virtually anywhere (except for beacon bands and the top half of 10m) while other modes are excluded from RESERVE
Hi Folks.... I've just uploaded details of my little PSK31 audio Transmitter http://www.users.bigpond.com/gzimmer/default.html cheers ............... Zim ................ VK3GJZ
Hi Folks, If you are interested in Home Brew PSK31 you may wish to visit my Web Page at.. http://www.users.bigpond.com/gzimmer/ Cheers ................... Zim .................. VK3GJZ
Hi, BT Looking to 'Redevelop' its Rugby Radio Site Can anyone tell me if the 16Khz TX is currently transmitting please? I'm trying to hear (see) it in Australia, but no luck yet. Also, I assume it on
