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Re: R: P3D Report



On 12/23/00 3:54 PM Phil Karn (karn@ka9q.net) wrote:

 >This is exactly the algorithm the SETI folks use. They look for
 >doppler shifts represent the motion of the earth around the sun, and
 >the motion of the solar system relative to the rest of the galaxy.
 >This excludes a lot of terrestrial and earth satellite interference,
 >since they don't have the right doppler shifts.
 >
Of course, if the aliens are as smart as we think, they won't be using 
carriers, all their comms will be in spread spectrum, UWB, or something 
even more efficient we haven't dreamed of!

Steve K4HG

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