I have used my Pegasus with an Astron RS-20M and it worked fine, currently using one of the Astron switching supplies, the SS-25 which I really like. Jim K4JAF -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com Search: http://www.contesting.com/km9p/search.htm