00796nam a2200205Ia 4500 CTU_112999 210402s9999 xx 000 0 und d 1699200 621.3825 R686 Roddy, Dennis Satellite communications Dennis Roddy New York McGraw-Hill 2006 Highly regarded for more than a decade as both a teaching text and professional tutorial, this classic guide to satellite communications has been revised, updated, and expanded to cover global wireless applications, digital television, and Internet access via satellite. Artificial satellites in telecommunication Minh Trung tâm Học liệu Trường Đại học Cần Thơ