(meteorobs) Huge fireball observed over France on January 25 2008

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

... and what I have learned from correlating my radio echoes with the radioechoes received by a station located at 8600 m (5.3 miles) only from my station is that the radio signatures of a same meteor are often different (amplitude, duration and spectral content).

Regards

Jean-Louis F6AGR

> -----Message d'origine-----
> De : meteorobs-bounces at meteorobs.org
> [mailto:meteorobs-bounces at meteorobs.org]De la part de Thomas Ashcraft
> Envoyé : lundi 28 janvier 2008 15:34
> À : Karl Antier; Global Meteor Observing Forum
> Objet : Re: (meteorobs) Huge fireball observed over France on 
> January 25
> 2008
> 
> 
> "...even radio observers seem to have recorded little echo... "
> 
> Hi again Karl,
> 
> What I have learned this year from correlating my visual fireball 
> captures with simultaneous radio captures is that some very large 
> fireballs make only neglible radio reflections. This is quite 
> interesting in itself.  I would be very interested in further radio 
> reports, especially of non-radio observation.
> 
> Clear skies,
> Thomas Ashcraft
> 
> 
> 
> 
> Karl Antier wrote:
> > Hi all,
> >
> > Thank you for your answers and comments !
> > It seems now that the media were completely wrong, and the 
> trajectory 
> > is more
> > likely to be a North --> South one, than the reversal 
> indicated in my 
> > first
> > mail.
> > The strange thing is that some witnesses reported sonic 
> booms very little
> > time after the observation (3-4sec), but no infrasound, seismic 
> > records of the
> > event were made. And actually, even radio observers seem to have 
> > recorded little
> > echo...
> >
> > I'll keep you updated, if you're not fed up with it ;-)
> > Clear skies,
> > Karl
> >
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> >
> >   
> 
> >
> >   
> 
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