Regarding the diferences between mil/civil, there is a whole wedge of stuff here from the CAA as part of their ATSOCAS consultation:
http://www.caa.co.uk/default.aspx?ca...68&groupid=844
PS. You will note that the CAA paper was compiled by an RAF Officer. If this isn't an example of joined up regulatory responsibility, then I will eat my hat.
PPS. Some really good posts on this page, not least from those who actually understand what is being provided and individuals' responsibilities when operating in uncontrolled airspace.
PPPS! Obviously there is a bit of a clue in the title - Radar
Advisory Service.