Hello Clarence and group- Thanks for the info about bat. files. I went and copied the little sample program that you send and ran it. Pretty neat. So I sorta know what is going on. I guess it is safe to say a program like hpg.exe cannot be changed to a bat.file because when I open it up and look at it, it is not a series of commands that I understand, but a lots of symbols etc. I am really enjoying using this system. It really makes you think and explore. Kinda why I enjoy building my own low power ham radio gear...its more fun! and you learn more of why it works. Take care- Neil --Arachne rules-- Wilson http://pages.hotbot.com/photo/wa4chq/images/goodboy.GIF http://www.qsl.net/wa4chq/godspeed.html -- Arachne V1.67, NON-COMMERCIAL copy, http://arachne.cz/