(meteorobs) Negative HF radio meteor reception

James Beauchamp falcon99 at sbcglobal.net
Fri Mar 2 13:54:53 EST 2012


Tom, 
 
A while back I experimented a little with using WWV's 20 Mhz signal similar to what we're doing with Kickapoo, but the results were negative, and of course you would need many test points to identify a correlation.
 
In theory, higher HF bands are ideal for scatter.  Below 15m, wavelength, QRM, and an almost constant level of some kind of ionospheric propagation would (to me), preclude it's use.
 
Within a couple of years, we're going to have to find a replacement for Kickapoo.  They are working an active track, X-band pulsed radar replacement, so it's days are numbered.
 
James
 


--- On Fri, 3/2/12, Thomas Ashcraft <ashcraft at heliotown.com> wrote:


From: Thomas Ashcraft <ashcraft at heliotown.com>
Subject: (meteorobs) Negative HF radio meteor reception
To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
Date: Friday, March 2, 2012, 11:54 AM


I am not aware of any HF radio ( high frequency or decametric  ) direct 
emission monitoring of meteors or papers on the subject.

On Feb 27 2051:52 MST ( Feb 28, 2012  0351:52 UTC) a nice fireball 
passed through my 21 MHz yagi antenna recently and I checked to see if 
there might be any detectable emission but cannot discern any.

Movie posted here:

http://www.heliotown.com/FBhf20120228_035152ut_Ashcraft.mp4

(Windows users only - 
http://www.heliotown.com/FBhf20120228_035152ut_Ashcraft.wmv

Thomas Ashcraft in New Mexico
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