00438nam a2200157Ia 4500008004100000020001400041082001800055100002600073245002900099250000800128260004600136300003000182500001900212600003400231650001500265240925s9999    xx            000 0 und d  a442227450  a621.38254 GAG  aGagliard  ,Robert  M. 0aSatellite Communications  a2nd  aWokingham:bVan Nostrand Reinholdc,1991.  axxiii,821p.bNAfOriginal  aIncludes Index  aTelecommunication Engineering  aTechnology