For various reasons including meteorite speed and cross section, plus radar
scan patterns/rates, back scatter noise filtering software,etc. I don't believe
the meteorite/meteoroid-proper is detected via doppler echos. Rather the
train/cloud of silicate and iron oxide fog expanding to reach
thermo-equilibrum in the cold atmosphere that mimics precipitation signatures.
Elton
--- On Wed, 3/11/09, McCartney Taylor mccart...@blackbearddata.com wrote:
From: McCartney Taylor mccart...@blackbearddata.com
Subject: Re: [meteorite-list] Doppler radar signature from bolides
To: meteorite-list@meteoritecentral.com
Date: Wednesday, March 11, 2009, 2:26 PM
Note that the stoney has a Specific gravity of 3.0 vs
water's 1.0. Indeed, it should have an excellent
reflection from radar.
-mt
Original Message
From: E.P. Grondine
epgrond...@yahoo.com
Sent: Wednesday, March 11, 2009 12:58 PM
To: meteorite-list@meteoritecentral.com
Subject: [meteorite-list] Doppler radar signature from
bolides
Hi -
I wonder why such a small amount of material produced
such a large doppler
signature. Anyone have any guesses?
E.P. Grondine
Man and Impact in the Americas
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