archive: Re: SETI Theoretical question

Re: SETI Theoretical question

Dr. H. Paul Shuch ( (no email) )
Sun, 20 Sep 1998 17:22:57 -0400

At 04:23 PM 9/20/98 -0400, Wayne Shanks wrote:

>I guess the idea is that you wiggle the feed so that any
>signal is modulated by the the wigle, but the sky and thermal noise is
>not modulated.

This is what the pros call "going off-source" (see the film 'Contact').
It's a great way to eliminate terrestrial interference from consideration,
and deflecting the feed is often easier than moving the whole dish.

H. Paul Shuch, Ph.D. Executive Director, The SETI League, Inc.
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