A new article is on line: "Measuring around 50 Hz" by Luca Feletti 73, R. Romero...
19849
Clive S Carver
ancient.flyer
Jun 22, 2012 1:59 pm
The following received from Lars Kålland regarding the annual Grimeton Radio/SAQ transmissions on 17.2 kHz. Last year I visited Grimeton Radio to observe the...
19848
Mark Karney - VLF
mkarney19
Jun 21, 2012 7:31 pm
I am working on my article for The Lowdown and wondered if any of you have any favorite Aps that you use that relate to Natural Radio or VLF. I's be interested...
19847
multanova@...
multanova51
Jun 21, 2012 6:48 pm
Hi all, Just connecting a wire to your pc soundcard and hope for the best will not work. For below 400 kHz, your home and electricity network is just one big...
19846
Peter, 54N 10E
df3lp
Jun 21, 2012 5:16 pm
Hi Honshual, Just guessing: Relative Permittivity called "Epsilon relative" See: http://en.wikipedia.org/wiki/Relative_permittivity ... Greetings, Peter, 54N...
19845
honshusal
Jun 21, 2012 3:18 pm
any vlf know what this mean??- "Walter" <fedderwi@> wrote: 'eps rel aof water is highly dependent on frequency' what mean eps rel aof water?? thank sal...
19844
honshusal
Jun 20, 2012 7:15 pm
Walter please explain what mean this??- 'eps rel aof water' thank sal...
19843
Walter
karula4711
Jun 20, 2012 5:34 am
eps rel aof water is highly dependent on frequency. At low frequencies it is around 80, while at light frequencies it is what you say. Walter...
19842
Paul
paul@...
Jun 18, 2012 1:48 pm
Ok Wolf, thanks for the warning and have a good week. Hope the weather is better down there. -- Paul Nicholson --...
19841
wolf_dl4yhf
dl4yhf
Jun 18, 2012 9:56 am
... and back in service next monday. I need to take the streaming PC (netbook) with me on a short trip to southern germany. Cheers, Wolf (now off for...
19840
Tom Becker
b19063
Jun 17, 2012 10:36 pm
While in the canal pulling the cable I found a nick in the jacket that exposes the outer shield, which defeats what I wanted to do. I guess it's a barnacle...
19839
Tom Becker
b19063
Jun 17, 2012 6:24 pm
Well, so far the best spherics reception has come from the ~220' single-ended floater (the far end was stripped and submerged), against the water ground at the...
19838
Paul
paul@...
Jun 17, 2012 5:44 pm
Yes some nice activity today. Bits and pieces all day but it picked up from 13:00 onwards and was very concentrated between 14:00:00 and 14:52:30 when it...
19837
Sead Kulenović
skulenov
Jun 17, 2012 2:49 pm
Oh my, i was replying to v.martuzas but somehow managed to reply to your post! I'm sorry for misunderstanding! Regards Sead ... [Non-text portions of this...
19836
kg4inu
Jun 17, 2012 2:25 pm
Excellent VLF emission activity on the Todmorden stream: http://67.207.143.181/vlf1.m3u In the middle of the day too! Joel...
19835
Costas Krallis
g7ahn
Jun 17, 2012 2:04 pm
... See also the article on Wikipedia: http://en.wikipedia.org/wiki/USS_Wright_(CVL-49) 73 Costas SV1XV...
19834
Dexter McIntyre W4DEX
dmcintyre
Jun 17, 2012 1:48 pm
http://www.navy-radio.com/ships/cc2.htm...
19833
Richard B Georgina
wd4rbx...
Jun 17, 2012 12:47 pm
I use the RG6 as feed line to my earth dipole. The dipole is copper wire. The shield of my RG6 can not be soldered to so I just butt splice the connections to...
19832
v.martuzas
Jun 17, 2012 7:28 am
Well, for only test purpose im not using any filter or amp. Detailed connection scheme is: Notebook/PC Sound card -> shielded coxial cable to outdoor (~5...
19831
J.J. Oksiuta
vk4ebp
Jun 17, 2012 4:51 am
Hello V., I concur with Alan G3NYK's comments. Your receiver is working well. The problem is in local industrial interference. A small loop, perhaps shielded...
19830
Sead Kulenović
skulenov
Jun 16, 2012 10:45 pm
How do you use it? to form a loop or what? Sead On Sat, Jun 16, 2012 at 10:01 PM, Richard B Georgina ... [Non-text portions of this message have been removed]...
19829
Richard B Georgina
wd4rbx...
Jun 16, 2012 8:02 pm
Hi Seid, I use RG6 or CAT5 cable plugged directly in to my sound card (make adapters as needed) and have done so for years. I use Spectrum Lab soft ware by...
19828
Sead Kulenović
skulenov
Jun 16, 2012 7:32 pm
What setup are you using exactly? Describe how 'the copper wire' is connected to your computer sound card input jack. Are you using any kind of filtering on...
19827
Alan Melia
g3nyk
Jun 16, 2012 12:49 pm
Hi I am not sure you are "doing anything wrong". I suspect you are in a location with a very high level of interference. The "red" area above 19kHz is were you...
19826
v.martuzas
Jun 16, 2012 9:03 am
Hello, i still dont know what im doing wrong. Using PC or Notebook (doesnt matter because keep geting same results) sound card i trying to receive VLF station,...
19825
Tom Becker
b19063
Jun 15, 2012 11:42 pm
Another lesson: electrolysis. What I initially thought was amplifier noise was not all that; all three shields on this cable are aluminum, the receiver box...
19824
Tom Becker
b19063
Jun 15, 2012 9:29 pm
... your well water is unusually "rich". Yes. Well waters here are pretty hard. So far, I have learned: the ~180'-deep path through the aquifer to the canal...
19823
renato
reromeroit
Jun 15, 2012 9:08 pm
A new article: "Synergistic Living with the Geomagnetic Field" by John Meloy is on line. 73, Renato Romero www.vlf.it...
19822
James
jimpat999
Jun 15, 2012 8:07 pm
Drinking water is usually between about 10^-3 - 10^-4 S/m, so your well water is unusually "rich". Someone is messing around with my posting capabilities, not...
19821
Tom Becker
b19063
Jun 15, 2012 2:14 am
... Well, it looks like I'm going to float one since sinking the coax here would be a battle, I think. At the moment, I've stripped about six feet of jacket...
