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24266

Re: preparing for my next experiment with vlf, inverse Compton scatt

On Mon, 4 May 2015 11:43:14 -0400 ... Hi Kevin. I somehow missed the original post, so I can't judge if this might be of interest or not. But the following
John Coppens
May 25
#24266
 
24265

May 24 2015 Triple sprites over Oklahoma with VLF

I captured three separate sprite events in one camera field of view in the span of a second from strong storming over western Oklahoma. If you listen closely
heliotown27
May 25
#24265
 
24264

Re: Small antenna for this unit

I believe there is a patch antenna on either the group web site or vlf.it. Tom Dean
Thomas D. Dean
May 23
#24264
 
24263

Small antenna for this unit

Greetings. I own this unit: Ricevitore VLF radio natura e EVP PIC-RX02 ... I need the smallest possible antenna that can pick up signals from the land-based
Glen MacPherson
May 23
#24263
 
24262

Re: May 15 2015 0449:11.683 UT more sprite data

Thanks Paul, I'm going to give it a try with this event to see if I get the same result. Cheers Joel
kg4inu
May 23
#24262
 
24261

Re: May 15 2015 0449:11.683 UT more sprite data

... I use the data retrieval at http://abelian.org/vlf/retrieve.php selecting the GPS timed receivers (vlf1,6,15,19,25,35) to download a sample in 'VT format'
Paul
May 22
#24261
 
24260

ALERT: Geomagnetic K-index of 6 (G2)

Space Weather Message Code: ALTK06 Serial Number: 341 Issue Time: 2015 May 19 0301 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2015 May 19 0259 UTC
SWPC Product Subscription Service
May 18
#24260
 
24259

Re: May 15 2015 0449:11.683 UT more sprite data

... Hi Paul, Are you using vlfrx-tools exclusively to arrive at those coordinates by using the stored data on Abelian? I would like to give that a try. Pardon
kg4inu
May 18
#24259
 
24258

Re: New to this group...

Paul, Thank you for your welcome and guidance. I've looked at the sites you suggested and found a lot of interesting information. After looking things over
Burt I. Weiner
May 18
#24258
 
24257

Vlf25

Vlf25 took a lightning strike yesterday. I'm working to get it back online. Kevin Hawley tx
Kevin Palivec
May 17
#24257
 
24256

Re: May 15 2015 0449:11.683 UT more sprite data

... Hi Paul, Pretty good plotting from your far distance! I checked your location in Google Earth and your model puts it within 73 miles of the actual
Thomas Ashcraft
May 17
#24256
 
24255

Re: May 15 2015 0449:11.683 UT more sprite data

That's enough to pin down the correct sferic
Paul
May 16
#24255
 
24254

Re: May 15 2015 0449:11.683 UT more sprite data

Update: Data for that sprite I reported with precise timing. Note time correction by three seconds. May 15 2015 04:49:11.683 UT 142.0 kA (peak current)
Thomas Ashcraft
May 16
#24254
 
24253

Re: May 15 2015 0449:08 UT +/- 5 seconds Jellyfish sprite and scatte

There was a strong thunderstorm with high static field level. In this condition the input neon lamp protection of the circuit works as a relaxation oscillator.
reromeroit
May 16
#24253
 
24252

Re: May 15 2015 0449:08 UT +/- 5 seconds Jellyfish sprite and scatte

... I can't see any obvious VLF counterpart. The recording from Hawley has over 500 sferics in that 10 second period but no particularly strong ones. Ditto
Paul
May 16
#24252
 
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