Microsemi data can be found at their web site. (http://www.microsemi.com). I have the latest CD rom if anyone gets stuck. John ZS5JF -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.contesting.com/km9p/search.htm