It's 1U. I inherited it from Brad on perlmongers, who said it worked. I haven't used it and can't find a use for it. contact me off-list Joe -- Joseph Mack NA3T EME(B,D), FM05lw North Carolina jmack (at) wm7d (dot) net - azimuthal equidistant map generator at http://www.wm7d.net/azproj.shtml Homepage http://www.austintek.com/ It's GNU/Linux!