Project SERENDIP V

…radio SETI experiments, such as Project SERENDIP V (begun in 2009 by the University of California at Berkeley) and Australia’s Southern SERENDIP (begun in 1998 by the University of Western Sydney at Macarthur), scan large tracts of the sky and make no assumption about the directions from which signals might…

and the survey-type SERENDIP projects in the U.S. and Australia. See also Drake equation.