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Location: UFOUpDatesList.Com > 2008 > May > May 5

Re: SETI's Real Objectives?

From: Ray Dickenson <r.dickenson.nul>
Date: Sun, 4 May 2008 17:26:21 +0100
Archived: Mon, 05 May 2008 07:25:44 -0400
Subject: Re: SETI's Real Objectives?

>From: Stuart Miller <stuart.4.nul>
>To: ufoupdates.nul
>Date: Sat, 3 May 2008 16:38:18 +0100
>Subject: Re: SETI's Real Objectives?

>You seem to be suggesting a conspiratorial element to the manner
>in which SETI works. Could you clarify that for me? I'm not
>trying to nail you here Rod but I would appreciate a clear
>explanation of your views on this, without external links to
>what others have said or what you've written elsewhere.

OK Stuart - it boils down to two or three points (with added
bits) - first, that an efficient radio signal, like those in
wider use now, is virtually indistinguishable from noise.

A long while ago I used 'spread spectrum' satellite signalling.
Looking at such a signal, SETI would only see a slightly noisier
band, over the whole width of their screen. If they're looking
at a narrow frequency range they'd probably never notice it. If,
by some remote chance, someone checked that 'noise' they _might_
detect a fifty or eighty or 120 Meg rhythm but, as it's almost
certainly a pseudo-random code (maybe several _days_ long, or
more), that's all they'd see - and probably put it down to
natural causes in the background.

That was the technology a decade or two ago. There's probably
more layers today, so now, or soon, those signals will be
absolutely indistinguishable from noise - unless you're in-synch
with that long pseudo-random code _and_ have the various
integrating or differentiating demodulators to exactly match the
modulators used in the transmission.

From reports, SETI is looking for fairly simply modulated
signals on or around the hydrogen frequency - in a narrow range.

That's why I think SETI is _not_ looking for an advanced or even
a contemporary human-like technology (no use thinking about non-
human-like technology - we probably wouldn't recognize it).

Then, from protocols being set in place now and likely to be
firmer in future, to control or ban ad hoc radio signalling to
'anyone out there' - we can expect that others slightly ahead of
us will _not_ be signalling by loose-mouth radio. Unless as

So it seems logical that SETI must be looking for folk like we
were until very recently - slightly backward compared to us and
careless about radio security.

Also, looking at the military 'dis-info' imperatives imposed on
NASA personnel, presumably by another agency, we can realize
that the same has almost certainly been applied to SETI. There
_is_ a certain similarity in the knee-jerk responses from both
in recent years, have you noticed?

Have to rely on the professors and Sagan for the further
conclusion that more advanced folk won't be using radio at all.
It looks logical though - you must anticipate progress.

Fitting all that together (glad you forced me to this exercise -
 it needed describing for us laymen) puts the SETI operation in
a different perspective. Above all, we shouldn't underestimate
the intelligence of the people in charge - and they've known all
this a lot longer than we've been thinking about it.

Extra last bit, just now thought - if SETI knows what NASA
knows, they've probably established that the present visitors to
our atmosphere are _not_ using radio to communicate with each
other - which they seem to do fairly well, and very fast.



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