Another good fix for table vibration from an AC transformer, is to set the supply upon a computer Mouse pad or two. 73, Stuart K5KVH -- 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