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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
 
24251

May 15 2015 0449:08 UT +/- 5 seconds Jellyfish sprite and scatter pi

(This New Mexico sprite event likely could have been received at VLF-ELF in Europe. I am hoping for further data. ) ... There was an interesting jellyfish
Thomas Ashcraft
May 16
#24251
 
24250

Re: New to this group...

Welcome to the group Burt. A good starting place is http://naturalradiolab.com/ and the sites listed under http://naturalradiolab.com/natural-radio-sites/
Paul
May 15
#24250
 
24249

vlfrx-tools 0.7k

A new version 0.7k http://abelian.org/vlfrx-tools/ This makes some improvements to vttime to reduce phase jitter and corrects a bug. Recommended upgrade if
Paul
May 15
#24249
 
24248

New to this group...

Hello All, My name is Burt Weiner and my Ham call is K6OQK. I live in Glendale, CA, about 20 minutes north of Downtown Los Angeles. Most of my Ham Radio
Burt I. Weiner
May 15
#24248
 
24247

Re: ALERT: Geomagnetic K-index of 6 (G2)

Some weak chorus right now (~04:00 UT), UK and Germany http://abelian.org/vlf/ -- Paul Nicholson --
Paul
May 13
#24247
 
24246

ALERT: Geomagnetic K-index of 6 (G2)

Space Weather Message Code: ALTK06 Serial Number: 340 Issue Time: 2015 May 13 0903 UTC ALERT: Geomagnetic K-index of 6 Threshold Reached: 2015 May 13 0859 UTC
SWPC Product Subscription Service
May 13
#24246
 
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