PPT Slide

ï Spacecraft to ground system ICD being done by LMMS, draft date: 02/97

ï Two contacts per day, ‚30 minutes each on 34m.

ï 34m dishes are scheduled 6 months in advance.

ï All downlinked data recorded at CDR for 72 hours.

ï VC0 forwarded to SMOC via UDP/IP DSN priority 2.

ï VC1 forwarded to SMOC via TCP/IP DSN priority 3.

ï Data downloaded from CDR via TCP/IP DSN priority 4.

ï Max data rate to SMOC limited to 1/2 of a T1 line.

ï Automated Real-Time Navigation System ìARTSNî

will provide definitive orbit solutions, which will be

downloaded from JPL via FTP.

ï Use of ARTSN freeís SMOC from generation and

delivery of Acquisition Data.