Have a read over at http://www.videohelp.com/
In short, get HDTV2DVD and run the .TS file through it to get DVD files.Take those DVD files and author in any number of DVD authoring software http://www.videohelp.com/tools/sections/authoring-dvd
There are guides on the site and a forum.It's pretty easy really with some software.TMPGEnc DVD Author is pretty easy to use for those who are new.