00508nam 2279082 450000100060000000300230000600500090002900800410003808200120007907200330009102000220012410000170014626000240016325000060018724500290019365000330022265000340025565000270028979082StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621.382 aOrbits and Launching Methods a978-0-07-007785-0 adennis roddy bMC GRAW,HILL c2006 a4 aSatellite communications aOrbits and Launching Methods aOverview of Satellite Systems aRadio Wave Propagation