Robert wrote:

My Computers have just completed 1500 WUs but I see no new certificate
on seti's web pages. How many WU's do I need for the next certificate?

The sequence is as follows:

User Certificates
Download 25,000 Workunit Certificate
Download 10,000 Workunit Certificate
Download 7,500 Workunit Certificate
Download 5,000 Workunit Certificate
Download 2,500 Workunit Certificate
Download 1,000 Workunit Certificate
Download 750 Workunit Certificate
Download 500 Workunit Certificate
Download 250 Workunit Certificate
Download 100 Workunit Certificate
-- 
Andy Williams