I think that ETL does exist, however, we might not be able to "hear" them becuase of the numerous frequencies and stuff. Humans should transmitt messages, but i don't know what it should be. I run seti because my brother had it.
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.
