Thanks to James Tanton, I have posted the Mainline TTL (in PDF form) on my website if anyone is interested. http://www.hertzmail.com/RTTY/TTL-2/ Eugene -------------- next part -------------- An HTML attachment was scrubbed... URL: http://mailman.qth.net/pipermail/greenkeys/attachments/20090213/7cf3e9c7/attachment.html