Greetings All: As of today I have started transmitting during all gray and dark hours at this QTH. As of today the new transmit window is 01 utc to 10 utc, on 137.7894 Khz with 90 second dits, and 18
Steve: Starting in October I would like to do some serious listening towards Eu on LF. Which signals (commercial broadcast) would stand the best chance of being heard? and from Geri, DK8KW (W1KW) you
Alan: Hi Larry I am totally astounded that an employee of such a distinguished company bearing the name of the commercial founder of wireless, seems to know so little about it!! Still I suppose that
Alan: Hi Larry I am totally astounded that an employee of such a distinguished company bearing the name of the commercial founder of wireless, seems to know so little about it!! Still I suppose that
Greetings All in G land. The following found its way to me and I post it so some of you can follow it up and see what some people have planned for LF. Regards, Larry, VA3LK --Insert Greetings, We are
Greetings All on LF. Just a short note, I am receiving DCF39 most every day, all day now (July and August), using a resonant loop antenna and an EVM56 evaluation board for the dsp. I see the frequenc
Andy es group Turn the question round a bit and think outside our amateur radio world... Is this really a discussion we want to have when we are trying to get an agreement for sharing so that VE's ca
Claudio wrote..... P.S.: shorting turns to adjust the inductance of a coil should not be harmful, When I was bringing up the Decca here last winter and trying to get power into the antenna I found th
Bob: We have yet to select a test frequency in the 136 kHz band for ZL6QH. It can be freely selected to within about 0.1 Hz and it will be stabilised to better than +/- 0.1 Hz. We could be ready to t
Jim: Have occasionally been hearing FSK-like signals centred on about 137.4kHz with various different shifts for some weeks now. Not sure what these FSK signals are but the are most certainly NOT CFH
Markus: Larry brought up an interesting point: visible Could that be ionospheric doppler shift? How large is the effect? I have been working on trying to allocate the effect I see to software issues
Dennis, thanks for relaying the text of a message sent by Mal. I do not see Mal's stuff anymore, I solved that a long time ago. For the record......................... I hope those using such a syste
Dave: Even in Larry's case, where a private remote station with (I understand) both receiver and transmitter at the same location is used, and provided the location of this remote station is used on
Oh My..... I I now know that it's time for me to QSY. and I have learned today that at least two operators who 'worked' MB2HFC over the past weekend were unaware that their 136 kHz signals had, in fa
Gentlemen: Thanks to excellent work by Derek G3GRO the GB3LF repeater is now on the air from Crawley on 144.9875 MHz. It's relaying the entire 136 kHz band as an upper-sideband signal. This is just w
Alan and to everyone who I did it to.... Hi Larry, I hate to be the harbinger of what could be bad news. Don't be so dammed polite! This is a hell of a mess. For those who need help with this go to t
Bob: Yes, I likely can have a signal on air by 0700 UTC. It is well before local sunset at ZL6QH, however, I'll take any DX that comes ... and my setup here shows that you enter gray line at 0710 utc
Greetings All on LF In preparation for this coming weekend tests with ZL I am txing 24hrs with visual CW, 180 seconds dashes and 90 seconds dits. Antenna now has additonal 30k ft of wire radials to t
