(meteorobs) What would cause this?

[Chris Steyaert]

A head echo. Slope is a couple of kHz per second. It halts most of 
the time at the carrier frequency, where and when a long lasting echo starts.


     Chris


At 16:25 27/06/2015, Michael Boschat wrote:
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>Hi:
>
>
>Listening to meteors on 77.251 MHz  - Ch. 5  TV analogue.  picking 
>up good rates on this frequency last few weeks.
>
>
>anyway, a minute ago I heard a "falling bomb whistle" like  sound, 
>it made a curve on the Spectrum lab plot...
>
>
>any ideas what would have caused it?
>
>
>
>Clear skies
>----------
>Michael Boschat
>Halifax Center - Royal Astronomical Society of Canada
>Astronomy page:  http://www.chebucto.ns.ca/~aa063