Tracking and data relay satellite system.
Tracking and Data Relay Satellite System with synchronous orbit satellites to relay data between low altitude earth orbital spacecraft and mission control centers
Andrus, A. M. G.↗
Engineering topics
Andrus, A. M. G.
Publications and source records attributed to Andrus, A. M. G..
Stabilization requirements for communication and navigation satellites
Stabilization requirements for communications and navigation satellites
NAVIGATION SATELLITE↗