(meteorobs) ELF/VLF and meteors

[Jean-Louis.RAULT at fr.thalesgroup.com]

Thank you Jim for your valuable report !

Jean-Louis F6AGR

> -----Message d'origine-----
> De : meteorobs-bounces at meteorobs.org
> [mailto:meteorobs-bounces at meteorobs.org]De la part de James 
> Van Prooyen
> Envoyé : jeudi 14 février 2008 01:00
> À : Global Meteor Observing Forum
> Objet : Re: (meteorobs) ELF/VLF and meteors
> 
> 
> Hello All
> 
> At the web page listed below is the VLF signature of the 
> Stardust spacecraft
> returning to earth:
> 
>     http://www.setileague.org/photos/hits/stardust.jpg
> 
> A description is located here:
> 
>     http://www.setileague.org/photos/pixwk07.htm
> 
> 
> Jim Van Prooyen
> N8PQK
> 
> ----- Original Message ----- 
> From: "drobnock" <drobnock at penn.com>
> To: <meteorobs at meteorobs.org>
> Sent: Wednesday, February 13, 2008 11:29 AM
> Subject: (meteorobs) ELF/VLF and meteors
> 
> 
> > Jean-Louis
> > In response to your inquiry about meteors producing vlf 
> signatures. Is
> > this an inquiry for current or past research?
> >
> > As you may be aware there is a bit of a controversy about 
> meteors, in
> > general, producing vlf signatures -- not electrophonic heard noise.
> >
> > Over the years I have contended that basically all meteors 
> will produce
> > a vlf signature, but the strength of the electromagnetic 
> signature or
> > electromagnetic wave is dependent on propagation of the 
> signature. But
> > some research is to the contrary.
> >  See Martin Beech: http://www.rasc.ca/journal/pdfs/2004-02.pdf
> >
> > If I can be of assistance please let me know.
> > George John Drobnock
> >
> >
> >
> >
> >
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