New to this version: Reduction in CPU time used, which should improve response, and help it run on slower systems. Hopefully SSTV transmitting will be added shortly. http://www.blackcatsystems.com/software/multimodeOSX.html for details and downloads. 73 Chris N3JLY --- Chris Smolinski Black Cat Systems http://www.blackcatsystems.com Macintosh Software GM-10 Radiation detection system