00518pamaa2200169 4500 0000017463 20060614090000.0 0750612355 621.3825 PAS 1997 TK5104 PAS 1997 PASCALL Commercial satellite communication Stephan C. Pascall and David J. Withers ; foreword by Robert Verrue. Oxford: Focal Press, 1997. xix, 442p.: 24cm. Satellite communication Telecommunication Withers, David J.