...But there's massive QRN again tonite. Can someone see a trace at all, in EU? 73 Am 13.05.2015 23:54, schrieb DK7FC: Hi LF, This night i'm again running some DFCW-90 on 136.172 kHz. I saw that DCF3
Thanks Iban, looks very nice! Maybe you can even hear me in CW? We should make a test soon :-) 73, Stefan Am 14.05.2015 09:51, schrieb Iban Cardona: Hi, screenshot of your signal of tonight, very nic
Hi Chris, I see you managed to be decoded by SP5XSB and EB3FRN. Obviously your new record? Not bad for May and the QRN situation! 73, Stefan Am 06.05.2015 12:55, schrieb Chris Osborn: LF, I've just f
Hi Iban, We could try now, if you're still awake. Are you? 73, Stefan Am 14.05.2015 14:11, schrieb Iban Cardona: Your signals are very loud, I'm sure that I can hear your signal in CW. We can do the
R, FB! OK, try 136.5 kHz CW. I will run a beacon for a while. But there is terrible QRN here, i can hardly imagine that you can hear me. But we will see... I'm starting in a few minutes... 73, Am 15.
R Joe, thanks. Now, what is your setup on VLF? Are you using a 100m wire which you are using for LF/MF as well? What is the effective height and what is the antenna current? How do you couple the TX
R, Iban, thanks for the test. The beauty of LF! On that distance, it obviously works better than on MF although the radiation resistance of the antenna is just about 8% relative to MF... 73, Stefan A
Thanks Luis, A very narrow CW filter :-) 73, Stefan PS: Iban, maybe you sent your mp3 via the reflector? Remember that the maximal mails size is somewhere arround 400 kB. Am 15.05.2015 00:51, schrieb
Hi Joe, Am 15.05.2015 04:04, schrieb [email protected]: Hi Stefan, 30 watts from an audio amp is stepped up with a 1:4 ferrite xfmr. One end of the secondary is grounded, the other goes to 2 pie coils wo
Hi all, Yesterday i've installed a second solar module to my remote receiver in my garden, which is currently running as a MF station: http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_remote_Grabb
Hi Luis, Am 19.05.2015 12:46, schrieb VIGILANT Luis Fernández: [...] It is amazing to check how just a little of vertical antenna height increase can boost the Tx signal ! :-) ...so maybe it is worth
Hi MF, Some of you are using the old Telefunken mechanical filter in homemade receivers for 630m. I use them i all my MF receivers. There have been discussions about how to match the antenn to that f
Hi Luis, Am 19.05.2015 19:03, schrieb VIGILANT Luis Fernández: I have been using the vertical antenna (11m really) as a first Tx Ae, with NO loading coil No coil? That is the reason! With a co
Link works fine here too. 73, Stefan Am 20.05.2015 14:13, schrieb George Szymanski: Works ok here.... de DU1GM GD! Link is not working, Laurence... 20.05.2015, 14:45, "Laurence KL7 L"<hellozerohelloz
Hi Luis, I changed the subject of the discussion. Am 20.05.2015 14:34, schrieb VIGILANT Luis Fernández: Hi Stefan Which is the turn count on your variometer ?? I can count about 10 in the inte
Hi Roelof, My goal is to cut out the spectrum of interest before passing it to the mixer. This meachanical filter is doing the job very well. It has an excellent stop band attenuation, a low pass ban
Hu Luis, Am 20.05.2015 18:34, schrieb VIGILANT Luis Fernández: Hi Stefan Thank you for your detailed explanations I can recycle 16cm diameter PVC tube. As seen in the calculators and assuming
Thanks Markus and Clemens for the feedback. I will go on soon... 73, Stefan Am 20.05.2015 20:58, schrieb Markus Vester: Hi Stefan, I'd suggest the following test: 1. with the current circuitry, measu
Hi MF, I am checking the performance of my remote RX site. Of course the detections close to the lower limit are the most interesting ones. Today until 21:08 UTC i received 3 spots: Timestamp Call MH
