SETI public: Status Report for Voyager 1-2 for August 1, 2003

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http://voyager.jpl.nasa.gov/mission/weekly-reports/index.htm

Voyager Mission Operations Status Report # 2003-08-01, Week Ending August 01, 2003
Command Transmission & Verification Operations
Voyager 1 command operations consisted of the uplink of a command loss timer reset on 07/29 [DOY 210/2315z]. The spacecraft received the command
There were no Voyager 2 command operations during the period.
Sequence Generation Operations
Complete sequence development of CCSL B121.
Data Return Operations
Voyager 1 Data Processing and Operations:
There were 91.1 hours of DSN scheduled support for Voyager 1 of which 35.3 hours were large aperture coverage. There were no real-time or schedule support changes made during the period.
There was one significant outages of 0.7 hours duration on 07/26 [DOY 207] due to a power failure at SPC-10/DSS-14 [DR G103087].
Science instrument performance was nominal for all activities during this period. One frame of GS-4 data was recorded this week. The AHELI1 cyclic for recording additional GS-4 data was enabled on November 17, 2001. A frame from this cyclic was recorded on August 1. The EDR backlog is 9 days.
Voyager 2 Data Processing and Operations:
There were 62.6 hours of DSN scheduled support for Voyager 2 of which 6.9 hours were large aperture coverage. There were no real-time or schedule support changes made or significant outages during the period.
Science instrument performance was nominal for all activities during this period. One frame of GS-4 data was recorded on July 29. The EDR backlog is 9 days.
Flight System Performance
Voyager 1 performance was nominal during this report period. Activities included turning OFF the Azimuth Coil Heat on 7/29 (DOY 210) and turning ON Gyros A/B on 8/1 (DOY 213).
Voyager 2 performance was nominal during this report period. Activity included a PMPCAL on 7/29 (DOY 210).
PROPELLANT/POWER CONSUMABLES STATUS AS OF 7-31-03/8-01-03
SpacecraftConsumption
One Week (Gm)Propellant
Remaining (Kg)Output
(Watts)Margin
(Watts)
17.1530.02303.228
26.9231.82304.753

RANGE, VELOCITY AND ROUND TRIP LIGHT TIME AS OF 8/1/03
  Voyager 1Voyager 2
Distance from the Sun (Km)13,325,000,00010,603,000,000
Distance from the Sun (Mi)8,280,000,0006,588,000,000
Distance from the Earth (Km)13,257,000,00010,479,000,000
Distance from the Earth (Mi)8,237,000,0006,511,000,000
Total Distance Traveled Since Launch (Km)15,149,000,00014,197,000,000
Total Distance Traveled Since Launch (Mi)9,413,000,0008,821,000,000
Velocity Relative to Sun (Km/sec)17.20415.677
Velocity Relative to Sun (Mi/hr)38,48335,069
Velocity Relative to Earth (Km/sec)42.07135.643
Velocity Relative to Earth (Mi/hr)94,11079,730
Round Trip Light Time (hh:mm:ss)24:34:0219:25:12

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