zen0000 wrote:

<http://setiathome.ssl.berkeley.edu/about_seti/about_seti_at_home_1.html>.

I already read those pages but I couldn't find out the answer about my question.

Sorry, to mislead you; I had thought they provided those details. The
only reference I can find to any specific number is in the FAQ at

<http://setiathome.ssl.berkeley.edu/faq.html#q1.17>,

which says "... we have been sending the data out multiple times over
the course of a day or so ... That allows us to delete the file ...
as soon as we've received at least two results ...".

-- 
Odysseus 16# @ 36Y