These machines are systems at the Yankee Air Museum, a non-profit organization dedicated to the preservation of Aviation history. Visit us on the web at http://yankeeairmuseum.org
As we get new machine in, our old ones get sent to a mini "seti-farm" where they churn on work units before finally getting sent off to the recycle yard.
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.