Hi Guys, Re: mains inverters, I have found that although my Nikkai puts out some noise, it beats the more expensive model from "maplins" hands down getting a...
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jauer9
Apr 3, 2002 8:44 pm
... sneaky ... changed ... it ... Click...
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jauer9
Apr 3, 2002 9:02 pm
Should try the NOMAD jukebox. Its a battery-powered hard-disk recorder that holds about 6 hours of digital audio, all for under 200 bucks. Oh yes, has USB. I'd...
486
VLFkorgan@...
Korgans
Apr 4, 2002 1:48 am
Hello group, The changes mentioned effect only Yahoo e-mail accounts and has no effect on the VLF group! Most members of the VLF group subscribed via e-mail...
487
VLFkorgan@...
Korgans
Apr 4, 2002 3:23 am
Group, ... Just an FYI - An EQ is capable of cutting out both low frequency "audio" signals (power line hum, etc.) and high frequency "audio" signals (ALPHA...
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Eric Vogel
evogel99
Apr 4, 2002 3:37 am
Really interesting device! I'm curious if you have done much recording of sferics and such with the MP3 format? I was worried that these would be difficult for...
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jauer9
Apr 4, 2002 4:54 pm
Haven't used this format, but quality would be about that of a CrO2 cassette. Quite good, but not CD. Should work, though! You can rip MP3 easily w/most...
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Brent Hauck
bdhauck@...
Apr 4, 2002 10:39 pm
MP3 is a LOSSY compression technique. Would not recommend if an accurate representation of the original waveform is required. More info at...
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S7
sidereal7@...
Apr 5, 2002 7:09 pm
For those interested I have finally posted the schematic and component list for my ULF / Schumann Preamp / Signal Conditioner on the site below. Please excuse...
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jauer9
Apr 5, 2002 9:11 pm
Quite true. Wouldn't use MP3 to master Brittany's next cd, but the quality is still better than cassette tape, although maybe close to a metal tape on a...
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jauer9
Apr 5, 2002 9:33 pm
It's a guitar distortion pedal! No, it's a VLF receiver! No, it's, it's....both, actually. The BOSS Metal Zone, made by Roland Corp. and available in music...
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S7
sidereal7@...
Apr 5, 2002 10:44 pm
... Will it filter out 60 Hz. for urban use? [Non-text portions of this message have been removed]...
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Eric Vogel
evogel99
Apr 6, 2002 4:09 am
Brent et al, Nice link, thanks. I have been searching about for a response to the concept of "sounding as good as a cassette tape" which for me invokes the...
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Tim Bucknall
timbucknall@...
Apr 6, 2002 10:54 am
this is perfect! I have a pretty good fuzz box, ao all i do is turn the gain all the way up and put a long wire into the input! I'm gonna give this a go and no...
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Eric Vogel
evogel99
Apr 6, 2002 2:46 pm
too bad Hendrix never thought of this one ... Eric Vogel http://www.flash.net/~evogel/...
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Tim Bucknall
timbucknall@...
Apr 6, 2002 3:16 pm
if he'd been a dxer instead he'd probably still be alive! with not having a fet preamp (i'm terrible at building stuff) I'll probably need a severe "whistler...
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VLFkorgan@...
Korgans
Apr 7, 2002 5:19 am
Hi Tim and group, Concerning pedals as VLF receivers, here is an excerpt from the original e-mail: "But plug a FET front-end stage (found in a lot of VLF...
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Tim Bucknall
harmonichy
Apr 7, 2002 8:43 am
oh dear! i'm glad i didn't waste my time with that one thanks for the tip, I'll stick to the long wire, Unfortunately i'm unable to build a fet stage (disabled...
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Michael Wheeler
mike_wheeler@...
Apr 7, 2002 2:07 pm
One must address the problems as they arise and focus one's efforts where they do the most good. There is no point in searching where the last few hundred...
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VLFkorgan@...
Korgans
Apr 7, 2002 3:00 pm
... The length of wire necessary will depend highly on the sensitivity of the receiver/amplifier being used. Too long of wire will do nothing but overload a...
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jauer9
Apr 8, 2002 2:14 pm
Some very good points here. In my post, I was considering music, which frankly has few transients and is "easy" to record. Sferics, on the other hand, may...
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jauer9
Apr 8, 2002 2:19 pm
Yes, it will filter some, but generally, listening to VLF in an urban area is like trying to see stars with a telescope when the sun is out- its just too...
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jauer9
Apr 8, 2002 2:58 pm
http://home.flash.net/~evogel/p1b.html Here's a fascinating link on delay to reduce hum. There are numerous posts here that also address this (190, 191, et...
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Eric Vogel
evogel99
Apr 8, 2002 4:21 pm
This weekend I tried a quick PCM->MP3->PCM via CoolEdit. I used a file recorded on the Walkman Pro that was composed of a short series of sferics (which I...
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Bill Taylor
taylor@...
Apr 8, 2002 6:15 pm
Dear INSPIRE observers, Last year, INSPIRE and IKI (the Russian NASA, in Moscow) made a formal cooperative agreement, called KOLINS (KOLibri INSpire), which ...
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Gallagher, Dennis
dennis.gallagher@...
Apr 8, 2002 6:44 pm
Bill, I guess we could always try to record whenever there's a pass over or near north Alabama. That might be an option whenever you don't otherwise have an ...
509
VLFkorgan@...
Korgans
Apr 8, 2002 10:52 pm
For those interested, the Kolibri-2000 satellite documentation / hardware information is available under the files section (Kolibri.doc) of the VLF group home...
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Bill Taylor
taylor@...
Apr 10, 2002 7:51 pm
VLFers, Dean Knight, one of our faithful INSPIRE observers found a site for Kolibri planning that goes out further in time than the NASA site. It is ...
511
VLFkorgan@...
Korgans
Apr 11, 2002 6:01 pm
I finally digitized the audio from the morning of March 24th and have uploaded a file to the VLF group (sk32402.wav - 900kB) with a few sound samples of the...
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VLFkorgan@...
Korgans
Apr 13, 2002 2:32 am
VLF Group, Instead of posting major solar flare alerts/notices as a means of predicting whistlers as has been done in the past, I've made the decision to post...
