Heard in York, UK at 0900 and 1300 - Signal strength - 8 microvolts (-90 to - 92dBm) Signal quality - no QSB, impulsive QRN 100% copy of message content. ...
7512
Jara
krysatec
Jul 2, 2007 9:34 am
... Hi John, I also heard SAQ, but signal was poor with strong disturbances, because I live in centre of city and use only mini-whip antenna 3 meter high with...
7513
mindisco
Jul 2, 2007 1:05 pm
Hi Folks, Just to let you know that the Cyprus Storms website has moved to http://www.cyprus-storms.orgfree.com The site has been redesigned and I hope in the...
7514
VLF_Group@yahoogroups...
Jul 4, 2007 3:04 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the VLF_Group group. File :...
7515
Steve
kc0ya
Jul 4, 2007 3:12 am
All - I'm a newbie to the group, and have been reading the archived messages to get caught up. I'm about half-way thru, and I cannot tell you all how much I...
7516
Doug_Forbes1
Jul 4, 2007 2:33 pm
Hi All, I was wondering what the general consensus is regarding receivers. Does building your own preamp kind of thing stack up to a Selective Level Meter-type...
7517
DAVID
e_trician
Jul 5, 2007 2:40 pm
Some time ago someone was inquiring as to the connections of the multipin connector on front of the unit. Here is what I found. PINS 1 2 3 4 5...
7518
Christopher Gross
brunnis07649
Jul 6, 2007 6:33 pm
... Hi Doug, What sort of signals are you particularly interested in hearing? Generally speaking, the amplifier-type receivers are best for whistlers and...
7519
Ian Baines
ve3dji
Jul 6, 2007 6:44 pm
I have had good luck with the simple FET front end receivers made by Steve McGreevy or the Inspire group. Very sensitive and simple. I built my own BBB-4...
7520
livingj2
Jul 6, 2007 9:15 pm
Could anyone point me at a source for the paper "VLF radio transmissions at sunrise", by C.A.Schoute-Vanneck, from the Journal of Atmospheric and Terrestrial...
7521
Alan Melia
g3nyk
Jul 6, 2007 10:12 pm
Hi John If you have a full reference you might get it from the Nat Library at Boston Spa. I think I have had JATP articles from the IEE Library Savoy Place...
7522
Ernst D. Schmitter
erni051
Jul 7, 2007 7:01 am
Im monitoring several VLF transmitters fo some time now and just to check the tables: 18300, 20900 Rosnay (France) 21750 LeBlanc (France) Le Blanc and Rosnay...
7523
Steve
kc0ya
Jul 7, 2007 3:19 pm
Hi John - Let me have a go at it Monday - I have access to some JATP (now JASTP) back issues. I'll let you know. Tnx - Steve KC0YA ... of...
7524
dupczasty
Jul 9, 2007 10:47 am
I have and old pair of high impedance magnetic headphones 2x2000 Ohm. They are quite sensitive, and work quite well with low level signals coming from my...
7525
Alan Melia
g3nyk
Jul 9, 2007 11:12 am
If you can hear noise in them attached to the BBB4 or VLF-3....then probably none, just use them. The output of the RX being low impedance is effectively ...
7526
Walter
karula4711
Jul 9, 2007 11:56 am
Hi Michal, What modifications are needed ? None. Simply use the head phones. greez, Walter...
7527
Ian Baines
ve3dji
Jul 9, 2007 12:22 pm
I have tried the old style high Z headphones, with poor results. Much better to simply buy cheap, modern 32 ohm stereo phones. Believe it or not, they are...
7528
Ronald Fleshman
ronfleshman
Jul 9, 2007 3:40 pm
Michal, Try them they might work even with the mis-match. If not use a audio output transformer. If you need to buy one Radio Shack has them. They are...
7529
Steve
kc0ya
Jul 10, 2007 1:34 am
Hi John - Success !! I have uploaded your paper (and a few others of similar topic) to the Files Area under the KC0YA folder. Enjoy ! Tnx - Steve KC0YA ... ...
7530
Steve
kc0ya
Jul 10, 2007 1:44 am
Hi John - I forgot to mention the Littleton Colorado reception site mentioned in the JATP article is only about 40 km from my residence - it's a small world !!...
7531
Christopher Gross
brunnis07649
Jul 10, 2007 12:04 pm
... Hello Steve, Thanks for uploading those papers; I've only had a quick look at two of them so far, but they seem to explain what I thought was the anomalous...
7532
cricri
f1vl
Jul 10, 2007 1:52 pm
Premier jet sur : http://www.alexander.n.se/ Voir en bas à droite ! Xtian F1VL...
7533
livingj2
Jul 10, 2007 2:06 pm
... Many,many thanks, Steve ! Between them, these papers would appear to answer pretty well all of the strange Grey Line effects I have seen on received...
7534
Ernst D. Schmitter
erni051
Jul 10, 2007 2:29 pm
Steve, thank you very much for uploading those papers. Best wishes, Ernst...
7535
Stewart Bryant
g3ysx
Jul 10, 2007 3:59 pm
I will be in the IET building on Friday and will have a few mins to go to the library. Do you have a more exact reference? - Stewart...
7536
Edgar
edgarbhmfa
Jul 11, 2007 2:26 am
Hi Guys, Can anyone give me a guess, based on the current sunspot cycle, when whistlers of moderate strength could be expected at 36 degrees latitude? I'm at...
7537
bob71741
Jul 11, 2007 1:51 pm
Steve - Great papers! Thanks for your effort to retrieve and upload them. Best Regards Bob...
7538
Steve
kc0ya
Jul 12, 2007 3:21 am
All - Thanks for the kind comments - I'm glad I could help. BTW - I'll probably delete these files in a month or so, they're pretty big. Also, I do want to...
7539
Donald Rice
fnddr
Jul 14, 2007 1:56 pm
Those interested in scientific papers on VLF/ELF might want to check out the proceedings "ELF/VLF/LF Radio Propagation and System Aspects" at...
7540
Alan Melia
g3nyk
Jul 14, 2007 6:41 pm
Hi Don thanks for that, I will have to con one of my broadband equiped friends to help with that !! I have looked at several of the AGARD reports, there is a...
