Looking for a 6040 Service Manual... 73s de KJ4VPI Sam...
18642
Ken Sejkora
quickhatch44
Dec 5, 2011 10:23 pm
Nothing new, but an interesting and easy-to-understand explanation of Schumann resonance ...
18643
Ken Sejkora
quickhatch44
Dec 6, 2011 10:17 pm
Nothing new, but an interesting and easy-to-understand explanation of Schumann resonance ... [Non-text portions of this message have been removed]...
18644
Shawn
vlfkorgan1
Dec 7, 2011 5:24 pm
I noticed today is the 10th anniversary of the VLF group. I wish to personally thank each member for making this a great group over the past ten years! Shawn...
18645
FLAVIO GORI 
Flavio_50019
Dec 7, 2011 5:26 pm
thanks to you shawn and all vlf friends! flavio ... -- FLAVIO GORI  http://www.loscrittoio.it Edizioni in Rete - Chatham House Member ...
18646
Shawn
vlfkorgan1
Dec 7, 2011 5:59 pm
Also, I want to personally thank Mark Karney for the fantastic job as VLF Group Owner! Shawn...
18647
Paul
paul@...
Dec 7, 2011 7:51 pm
... So it is! And what a good group it has been. I maintain a safe copy of all the group's messages just in case Yahoo suddenly pull the plug. This archive...
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David Hine
evad_hine
Dec 7, 2011 10:01 pm
I really enjoy the VLF Group too and reading the posts and hope to contribute more in the future when I can add some (hopefully) interesting info. Regards to...
18649
EdgarBigDog
edgarbhmfa
Dec 7, 2011 10:56 pm
Happy VLF Natural Radio Group Anniversary, Guys!!! Remember, any time the Earth does something in a big way, VLF signals are produced. EarthRadio is my pet...
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Mark Dennison
marky26_uk
Dec 8, 2011 12:54 am
I too second that, thanks guys :) Mark [Non-text portions of this message have been removed]...
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Johan H. Bodin
junkodyn
Dec 8, 2011 10:38 am
Paul, ... + ... 528 18011 73 Johan SM6LKM...
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Paul
paul@...
Dec 8, 2011 11:01 am
... Ah yes, a few people have posted with different email addresses. I think Wolf ends up at #4 if we allow for both of Mark's. And I dread to think how many...
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Alan Melia
g3nyk
Dec 8, 2011 11:36 am
Hi Paul pleased don't feel inhibited by your stats :-)) All your posting are very educational .....yes they would make a very interesting book but in the ...
18654
amthornett
Dec 8, 2011 1:55 pm
Hi folks, Recently I obtained one of the UK Radio Astronomy Group's VLF receivers and loop aerials. I have now obtained some initial tracings but can't...
18655
Gallagher, Dennis L. ...
galladl
Dec 8, 2011 2:13 pm
Andy, You need to be looking at Frequency versus time displays, not signal strength across a frequency band. You also need to be listening to VLF that others...
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John/AF4EX
af4ex.radio
Dec 8, 2011 2:16 pm
Hi Andy, Nice setup. I can understand your concern. I too was bewildered when I first heard and observed VLF signals. Takes a while to learn what a natural...
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thierry alves
f6keo
Dec 8, 2011 2:34 pm
Hello, ten years ago that's when I started VLF. I came to know it with the Renato website when I was looking for longwave propagation informations on the web....
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Paul
paul@...
Dec 8, 2011 2:43 pm
... For comparison, here are my charts for DHO for the periods you plotted, http://abelian.org/vlf/tmp/at111204a.gif http://abelian.org/vlf/tmp/at111205a.gif ...
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FLAVIO GORI 
Flavio_50019
Dec 8, 2011 2:47 pm
hi thierry! fg ... -- FLAVIO GORI  http://www.loscrittoio.it Edizioni in Rete - Chatham House Member http://flaviogori.wordpress.com/ ...
18660
flagstaff_rich
Dec 8, 2011 2:52 pm
... Yes, still lurking at a very low level. I am happy to say that my time is now consumed with design and construction work on the 4.2M Discovery Channel...
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Peter, 54N 10E
df3lp
Dec 8, 2011 4:57 pm
Hi, ... Congratulation, thanks to the maintainer and thanks for all those high level contributions! ... Missing the "Waffling Factors" (^_^) Best wishes from...
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Paul
paul@...
Dec 8, 2011 5:56 pm
... Thanks for the tip... yes it has been busy, http://abelian.org/vlf/tmp/sc111208a.gif Here are the best triangulations we have, ...
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Manfred Kerckhoff
manfred_kerc...
Dec 8, 2011 6:43 pm
Andy, let's try another approach. Go to http://www.df3lp.de/cgi-bin/fh/show_wf.cgi?date=11-12-04 A beautiful frequency vs time - diagram appears (thanks...
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renato
reromeroit
Dec 8, 2011 9:22 pm
Strong and clear in North Italy too: http://dl.dropbox.com/u/35050490/pontese.jpg Renato Romero www.vlf.it...
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Paul
paul@...
Dec 8, 2011 10:37 pm
It came through rather well on Mike Smith's new E-field receiver in Marlton, New Jersey. I made this spectrogram from his live stream, ...
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Shawn
vlfkorgan1
Dec 8, 2011 11:08 pm
Maybe the ionosphere favors whole numbers? Just kidding... Has the possibility of different frequencies originating from different locations been ruled out?...
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Paul
paul@...
Dec 9, 2011 12:48 am
This is an encouraging measurement for Stefan and Mike. The staircase at 9kHz, amplitude spectrum of Marlton and Todmorden compared having equalised the noise...
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Paul
paul@...
Dec 9, 2011 1:05 am
... I haven't checked this transmission. Whenever the staircase has been measured before, it has always been on the same bearing. ... I just made a quick...
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Paul
paul@...
Dec 9, 2011 1:25 am
I found the missing signals when I looked at the spectrogram settings. I replotted Marlton's spectrogram with a different bandwidth, ...
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thierry alves
f6keo
Dec 9, 2011 10:39 am
Hello, That's DK7FC playing with its new antenna and TX hi :))) I think that's the really first time we had this ! Maybe it's russian. Sometimes there are...