L. Linstrom

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  • D. D. STOTT, David D. Stott, +7 authors Glen F. Sweitzer
  • 1998
The Near Earth Asteroid Rendezvous (NEAR) spacecraft’s command and data handling (C&DH) system is designed to manage complex operations and to collect data when the spacecraft is out of contact with ground control. During ground contacts, the C&DH system accepts uplink commands and memory loads that describe a timeordered set of events to follow, and it(More)
he APL-developed GPS Navigation System (GNS) satisfi es derived TIMED spacecraft requirements by providing position, velocity, time, Earth-to-Sun vector, and defi ned orbital event notifi cations to onboard instruments, spacecraft control computers, and the Mission Operations Center. The GNS data products enable the mission’s event-based commanding concept(More)
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