Funny you should say that - I do seem to have a lot of sketches of Murmansk and I'm making a model of the Kola Peninsula... Chris On 09/05/2011 23:13, Laurence KL7UK wrote: "I don't think we could ha
Hi all - Thanks to Eddie G3ZJO for his help and encouragement I was able to set up SL to get good copy of today's teatime ZEVS transmission from 1700 to 1830 UTC. Using Eddie's data units this messag
Hi Roger - Yes I understood the US system was no longer operational. The usual schedule for ZEVS over the past few weeks has been at 0800 and 1700 utc - 9 and 6 local time with the whole transmission
Hi Henny - the time is certainly different but the format looks the same to me: 82 Hz for four minutes to start, followed by three 4 minute tones of 82.4, 82.8 and 83. These three 'message' tones are
Hi Stefan, Gerhard, ELF The pre-amp is your circuit, Stefan, with the input FET on the antenna and connected through 10m of twisted pair. For normal VLF work I also added a op amp to the output of th
Hi Henny - wonder if you caught this - a surprise ZEVS 82 Hz transmission at 1300 (1200 UTC) . Usually transmissions are at 0800 and 1700 UTC. There is more QRN this afternoon but signals this mornin
Interesting - looking closely I can see what might be very short burst at 77Hz at around 0400 UTC and what might be a similar short burst at 75Hz around 0645 UTC. I can't see anything else except for
Hi Gerhard - I've attached my SL .usr file for you. I set it up only this afternoon so I don't claim it to be optimised in any way - particularly the noise blanker. The FFT bin width is 10.17mHz with
Hi Henny, Eddie, LF - after a couple of days with very poor copy I adjusted the SL settings slightly and the ZEVS signals are now coming through well - see attached jpg. Still not managed to see the
Hi all - ZEVS transmitting on schedule from 0800 UTC this morning. Eddie, Daniele - I don't have an 80Hz carrier here at IO92vf. I'll look out for the others. Chris On 08/05/2011 23:52, qrss wrote: S
Very nice clean capture Henny - have you made changes to your system? The signals have been coming in well here too. 73 Chris G3WCD On 23/05/2011 11:27, henny van elst wrote: Hi LF, Capture Zevs this
Hi all - ZEVS transmission starting at 1800 BST received at IO92vf using a 'Stefan' pre-amp with a 1m probe about 3m high. Still transmitting a constant carrier on 82 Hz at 1857 BST. Wonder if they Q
Hi Stefan - here are screenschoots of your signals this morning here at IO92vf, Unfortunately I couldn't copy your DFCW60 message - but both 8970 and 6470 signals were peaking 10dB above the noise in
Hi Eddie and ELF - the ZEVS transmission and precursor burst came in well today (see attached) about 10/12dB above the noise - but conditions have been very noisy over the past few weeks. Some days I
Hi Stefan - yes, good to see you again on 8970. Here's the trace of your overnight signal with me. Using an e-field probe about 4m high to a (slightly modified) version of your pre-amp, then through
Hi Stefan and Markus Here are the screen shoots of your signals up to 15.20 today. Markus - your signal is clearly visible above Stefan's in the 6000 window but unfortunately not in the 600 window. 7
Hi Markus Good signals here too in 424uHz and 125uHz (peaking 10dB over the noise) alongside Henny and Uwe. Nice to see VLF busy! 73 Chris G3WCD On 28/03/2012 07:50, Markus Vester wrote: The carrier
Yes - I hope that there is a trace of Henny's signal in there. The 8970.016 apparent line was quite a strong effect - more so on the monitor than on the jpeg - and I'd almost convinced myself that th
Hi Uwe - here's a screenshot of your signal in IO92vf Cambridgeshire. 73 Chris G3WCD On 20/03/2012 10:34, [email protected] wrote: yes Stefan, dj8wx is transmitting the letter W, mode qrss3600
