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Subject: Re: A weird contraption ?
X-Newsreader: Microsoft Outlook Express 5.00.2919.6700
Date: Tue, 29 Oct 2002 13:46:04 GMT
NNTP-Posting-Date: Tue, 29 Oct 2002 13:46:04 GMT
Organization: AT&T Worldnet
No, this was not an SOS message. It was continuous morse-code like tones in
an (arbitrary) pattern that would be akin to PCM. It went on for a few
minutes before he turned it off and drove away.
"Ben Bradley" wrote in message
> In sci.electronics.design, "News2020" wrote:
> >...yesterday evening a big 4x4 came by and
> repeated the
> >low tones (pulsing dual tone sequence - somewhat like Morse code !)
> on his
> >horn very very loudly for the whole area to hear ! He played the horn
> for a
> >few minutes before driving off !
> Let's see if we can determine what this tone sequence is. I recall
> a particular tone sequence from when I was in college, I'll describe
> it and see if you can play it on a piano (a 9-foot Steinway would be
> great, but any cheap musical keyboard will do), and then hear if you
> can recognize it as being the same tone sequence.
> Look in the middle of the (piano/musical) keyboard. There are areas
> of three black keys, and of two black keys. These are used for
> reference only, you won't play them (ISTR this was originally in the
> key of D, but I've taken the effort to transpose it to C to make it
> easier to play and explain), you'll only play the white keys. When I
> say go right or left a certain number of keys, count only the white
> Between the set of two black keys is the D key. Press it. To its
> immediate right is the E key. Press it. Two keys to the left of the E
> key is the C key. Press it. Seven keys to the left of the C key is
> another C key. Press it. Four keys to the right of the most recent C
> key is a G key. Press it.
> You have just generated the five-tone sequence that is, loosely
> speaking, the Universe-wide equivalent of an "SOS" call. Was this the
> tone sequence you heard earlier? It could be that someone needs your
> >< I bet vehicles nearby can detect the
> >activity easily if they have the right equipment ! >
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