(meteorobs) Radio ELF/VLF/video -Fireball- April 28, 2009, 2026MDT

Julian Portik webmaster at julian-portik.de
Fri May 1 05:02:11 EDT 2009


Hello,

@George John Drobnock
Thank you for this very interesting article!

But someone said it works with a 30 m wire antenna, too...
I hope the writer is answering to me soon.

@Thomas Ashcraft
What circut did you use to receive this VLF-emessions?
I'm interested in this setup.

Thank you in anticipation

Many greetings

J. Portik


 
----- Original Message ----- 
From: "Thomas Ashcraft" <ashcraft at heliotown.com>
To: "global Meteor Observing Forum" <meteorobs at meteorobs.org>
Sent: Friday, May 01, 2009 2:58 AM
Subject: (meteorobs) Radio ELF/VLF/video -Fireball- April 28, 2009, 2026MDT


> Of possible interest to radio meteor observers:
> 
> 
> 
> I was lucky enough to capture another relatively large fireball on April 
> 29, 2009, 0226 UT ( April 28, 2009, at 2026 MDT evening). This meteor 
> was heading westerly into setting Sun glow and some clouds but it is 
> quite evident in my videos with ELF/VLF soundtrack.
> 
> In listening to  the VLF reception at the time of this fireball I can 
> discern no meteor related emission that stands out from background 
> sferics.  Maybe something will show on a sensitive spectrograph.
> 
> Of interest is that there are thunderclouds upper screen left and you 
> can hear the click of lightning as the meteor is burning at lower screen 
> right.  Meteor appears at 7 seconds into the movie and a stronger 
> lightning click is at 9 seconds.
> 
> 
> Here are the .mp4 movie links.
> 
> Full sky view less resolution  876 KB   : 
> http://www.heliotown.com/FBvlf20090429_0226utAshcraft.mp4
> 
> Full sky view  higher resolution 3.3 MB :
> http://www.heliotown.com/FBvlf20090429_0226utAshcraft6.mp4
> :::::::
> Magnification movie of the fireball   2.4 MB:
> http://www.heliotown.com/FBvlf20090429_0226utAshcraftmag.mp4
> 
> 
> Thomas Ashcraft
> Radio Fireball Observatory
> 35.50 N  105.89 W
> www.heliotown.com
> New Mexico
> 
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