Aaah Duh, Bingo! thanks Don and Mike: I guess that never sank in correctly. Now i don't get to gripe about having to manufacture spacers. [g] Thanks again for the point in the correct direction. de "rc" kc5wa -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.322 / Virus Database: 267.4.0 - Release Date: 6/1/2005