Hi, From: "jimlux" <jimlux at earthlink.net> > pretty much anything in space is a "defense article") I can't imagine they could have done such mistake! http://www.dtic.mil/cgi-bin/GetTRDoc?Location=U2&doc=GetTRDoc.pdf&AD=ADA509345 (second page) http://tycho.usno.navy.mil/ptti/ptti2001/paper2.pdf Bye, Jean-Louis