mal hamilton pisze: LF USA Now start 136.177 Khz clear mal/g3kev Hi Mal,LF attached, you will find screen capture of ur TX'ing " KEV K" at 136.177 kHz also your qsy of 1.5 Hz down has been noticed..
Dave G3WCB. pisze: Stanford University has a VLF group, and their website has some interesting papers. The VLF group also collect data from ground stations located across the globe. I'd guess that we
Andy Talbot pisze: Here's an interesting little thought excercise Consider the Earth as one plate of a capacitor, and the lower surface of the ionosphere as the other. Without actually doing the calc
Stefan Schäfer pisze: Wow, nice! Rik/ON7YD, now its your turn again: What will be the ERP when running 100A in that wire? I think 100A is realistic on such a wire. Skin depth should be 0.9 mm. So the
Stefan Schäfer pisze: DCF39 is about 500 km distant to you. You should receive it some 10 dB better as you did. This is probably caused by local QRM. What is the gain of your amp stage? And what is t
Daniele Tincani pisze: Hello LF, a very interesting discussion is in progress on the reflector on ferrite rx antennas. My understanding however is that until now we have been talking about narrow-ban
Stefan Schäfer pisze: Jim, LF, I'll try to go on as fast as the distributor and ebay did ;-) So this is the current situation: Decided to use the 2x7 bundle. The cross section area of 7 pcs. just lok
James Moritz pisze: Dear Stefan, Markus, LF Group, A screenshot of DK7FC and DF6NM received in IO91VR between 2230 and 0000utc, with 84mHz FFT resolution, and using the ferrite rod antenna. DK7FC see
W dniu 2011-09-14 22:39, Stefan Schäfer pisze: LF! I decided to bridge the step down converter and temporary use a vari-AC transformer for the PA. So i will run a beacon with a signal that could be a
W dniu 2011-09-05 14:32, Daniele Tincani pisze: Hello Stefan, LF, I'm looking for a suitable preamp for my "coming sooner or later" tunable ferrite antenna (hopefully covering as much as possible of
Stefan Schäfer pisze: Also the rod looks very suitable for /p. Have you used litz wire for the coil? .... Tomorrow i will travel to France again (JN29OD) transmitting on LF, just as last year but hop
W dniu 2011-09-03 12:46, Chris 4X1RF pisze: Hi Piotr, That was Ossi, OE5ODL. He runs a grabber at http://www.langwelle.at/ 73s Chris 4X1RF Ok, Chris, thank you 73, Piotr, sq7mpj qth: Lodz/jo91rs/
W dniu 2011-09-20 22:46, Stefan Schäfer pisze: Hello Andrey, The conds seem to be very poor. No trace at 4X1RF and about 10 dB less on your grabber... Hello Stefan, Thank you for your transmission -
Hi Stefan, LF group, attached, there is another successful reception of ur signal at 136.172 khz using my ferrite rod antenna. It seems that today evening you decided to slow down things by a factor
W dniu 2011-09-09 07:21, Bill de Carle pisze: Congratulations Stefan, your full callsign made it across! http://www.nrtco.net/~ve2iq/grabs/fullcall.jpg http://www.nrtco.net/~ve2iq/grabs/capt43.jpg 73
W dniu 2011-09-16 02:12, Stefan Schäfer pisze: Bill, Dex, Decided to TX anyway, starting at 3 UTC, repeating 2x my call. That was arround the best time during Bill's last reception of my signal. For
W dniu 2011-09-08 23:54, Bill de Carle pisze: LF grabber running overnight, focused on 136.172 Khz Hello 136.172 kHz LF subgroup :) It is indeed a real fun to read the recent mails concerning ongoing
W dniu 2011-09-14 22:39, Stefan Schäfer pisze: Will TX at 136.172, as usual, in QRSS-60, TXing the whole night through. Hello again.. i can see that the other signal at 136.174 khz is getting out fro
Stefan Schäfer pisze: Tomorrow i will travel to France again (JN29OD) transmitting on LF, just as last year but hopefully with a stronger signal. Try to listen to it with the antenna inside the house
Hello LF Group, last night i've successfully received LF transmissions from Mike,G3XDV Ossi,OE5ODL Markus, DF6NM and Albert,PA0A 73, Piotr, sq7mpj Attachment: evening1.jpg Description: JPEG image
