For those that asked, here's the URL for Ian White's excellent web site : http://www.ifwtech.com/g3sek/index.htm The Pi/Pi-L spreadsheet download is about 3/4 the way down the main page. Phil -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com