[CQ-Contest] Echo

[Dean Norris]

At 13:25 10/30/2001, Zack Widup wrote:

>On Tue, 30 Oct 2001, Bill Turner wrote:
>
> >
> > On Sun, 28 Oct 2001 20:50:02 +0000, Tom Osborne wrote:
> >
> > >A couple of times this weekend while on 10 meters, I heard myself
> > >after I let the mike key up.  Twice I heard "5903" and it was my
> > >voice.
> >
>
>Someone did a Ph.D. thesis back in the mid-70's on LDE's;  I believe it
>was from Stanford University.  It was a fascinating theory that explained
>them in terms of an electromagnetic wave coupling to a slow mechanical
>wave in the ionosphere and then returning to an electromagnetic wave under
>certain conditions.  The person had actually done some testing to
>determine the validity of his theory and had observed LDE's under the
>conditions he predicted would cause them.
>
>I have heard them several times in the last 33 years.  Definitely a weird
>phenomenon.
>
>73, Zack


Hi Zack.  I heard myself (corroborated by W7ZMD) in about 1965.  About 3-4 
second delay as I recall. It was on the low end of 40M but may be 
mistaken.  We were taken to be crackpots end oddballs.  [We still are but 
for different reasons.]  Glad there are others that can confirm the oddity!

Dean


--
The best thing about growing old is being alive to do it!


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