15 to 20 mins after the launch. Probably closer to the 20 min markzacwatson wrote:how much long after the launch would we imagine to hear it?
Check the link http://www.youtube.com/watch?v=jqWfidPK4uA&" onclick="window.open(this.href);return false; its what a member of FC got during the STS-131 shuttle launch from April last year. Again was Discovery. Original launch thread can be found here viewtopic.php?f=90&t=9361" onclick="window.open(this.href);return false;