VenusRSD

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This table documents the history of attempted measurements of the spin state of Venus.

Entries in green indicate successful runs.
Entries in red indicate that our time request was denied.
Entries in dark red indicate hardware, software, or human failures.
Entries in orange have uncertain status.


Number Date Status Reason
01 2002 OCT 18 no data DSS-14 time request denied (lost to Mars Odyssey)
2002 OCT 19 no data DSS-14 time request denied (lost to Mars Odyssey)
2002 OCT 20 no data DSS-14 time request denied (lost to Mars Odyssey)
2002 OCT 21 no data DSS-14 time request denied (lost to maintenance)
2002 OCT 22 no data DSS-14 time request denied (lost to Mars Odyssey)
2002 OCT 23 no data DSS-14 time request denied (lost to Voyager 1)
2002 OCT 24 no data DSS-14 time request denied (lost to Ulysses)
2002 OCT 25 no data DSS-14 time request denied (lost to asteroid 1997 XF11)
2002 OCT 26 no data DSS-14 time request denied (lost to asteroid 1997 XF11)
10 2002 OCT 27 no data DSS-14 time request denied (lost to asteroid 1997 XF11)
2002 OCT 28 no data DSS-14 time request denied (lost to maintenance)
2002 OCT 29 no data DSS-14 time request denied (lost to Voyager 1)
2002 OCT 30 no data DSS-14 time request denied (lost to Mars Odyssey)
2002 OCT 31 no data DSS-14 time request denied (lost to Ulysses)
2002 NOV 01 no data DSS-14 time request denied (lost to Mars Odyssey)
2002 NOV 02 no data DSS-14 time request denied (lost to Ulysses)
2002 NOV 03 no data DSS-14 time request denied (lost to Ulysses)
2002 NOV 04 no data DSS-14 time request denied (lost to maintenance)
2002 NOV 05 no data DSS-14 time request denied (lost to Mars Odyssey)
20 2002 NOV 06 no data DSS-14 time request denied (lost to Mars Odyssey)
2002 NOV 07 no data DSS-14 time request denied (lost to maintenance)
2002 NOV 08 no data DSS-14 time request denied (lost to Mars Odyssey)
2002 NOV 09 no data DSS-14 time request denied (lost to Ground Based Radio Astronomy)
2002 NOV 10 no data DSS-14 time request denied (lost to Ground Based Radio Astronomy)
2002 NOV 11 no data DSS-14 time request denied (lost to maintenance)
2002 NOV 12 no data DSS-14 time request denied (lost to Galileo/Ulysses)
2002 NOV 13 no data DSS-14 time request denied (lost to Ulysees)
28 2002 NOV 14 no data DSS-14 time request denied (lost to Ulysees)
29 2002 NOV 15 no data DSS-14 time request denied (lost to Ulysses)
30 2002 NOV 16 no data DSS-14 time request denied (lost to Mars Odyssey/Ground Based Radio Astronomy)
2002 NOV 17 no data DSS-14 time request denied (lost to Ground Based Radio Astronomy)
2002 NOV 18 no data DSS-14 time request denied (lost to maintenance)
2003 JAN 05 no data Too close to Mercury transmission (and multiple Goldstone pointing problems)
2004 MAR 29 no data DSS-14 time request denied (lost to Mars Exploration Rover)
2004 MAR 30 no data DSS-14 time request denied (lost to Mars Exploration Rover)
2004 MAR 31 partial success Recorded last ~5 seconds of correlation peak (delay due to switch from Mercury transmission)
2004 APR 01 no data Goldstone MG set defective
2004 APR 02 no data Goldstone MG set removed
2004 MAY 03 no data DSS-14 time request denied (lost to maintenance)
40 2004 MAY 04 no data Goldstone MG set in repair
2004 MAY 05 no data Goldstone MG set in repair
2004 MAY 06 no data DSS-14 time request denied (lost to maintenance)
2004 MAY 07 no data Goldstone MG set in repair
2006 JAN 23 no data Golstone filament and pointing problems
2006 JAN 28 success
2006 JAN 29 success
2006 FEB 07 success
2006 FEB 09 no data Goldstone mirror did not switch to receive position
2006 FEB 12 no data GBT buried under 9 inches of snow
50 2006 FEB 14 success
51 2006 FEB 19 success
52 2006 FEB 23 no data GBT azimuth track repair
53 2006 FEB 25 no data GBT azimuth track repair
54 2008 DEC 01 no data Goldstone ACSM software erroneously delayed transmit start
55 2008 DEC 02 no data DSS-14 radiation clearance denied
56 2008 DEC 03 no data DSS-14 radiation clearance denied
57 2008 DEC 04 no data DSS-14 time request denied (lost to MESSENGER)
58 2009 MAY 19 no data DSS-14 time request denied (lost to Spitzer)
59 2009 MAY 20 no data DSS-14 time request denied (lost to Spitzer)
60 2009 MAY 21 no data DSS-14 time request denied (lost to training/testing exercise)
61 2009 JUN 09 corrupted data Corrupted local oscillator at Goldstone
62 2009 JUN 13 no data Goldstone operator ended receive cycle prematurely
63 2009 JUN 14 success
64 2009 JUN 21 corrupted data Echo shifted by -7600 Hz at GBT
65 2009 AUG 01 success
66 2011 JAN 04 no data DSS-14 transmitter heat exchanger in repair
67 2011 JAN 05 no data DSS-14 transmitter heat exchanger in repair
68 2011 JAN 06 no data DSS-14 time request denied (lost to Voyager 1)
69 2011 JAN 07 no data DSS-14 time request denied (lost to Voyager 1)
70 2011 JAN 08 no data GBT not pointing at Venus due to flaky stow pin switch
71 2011 JAN 09 no data DSS-14 make-up time request denied (lost to New Horizons)
72 2011 JAN 10 no data DSS-14 make-up time request denied (lost to maintenance)
73 2011 JAN 11 no data DSS-14 make-up time request denied (lost to New Horizons)
74 2011 JAN 12 no data DSS-14 make-up time request denied (lost to Cassini)
75 2011 JAN 13 no data DSS-14 make-up time request denied (lost to maintenance)
76 2011 JAN 14 no data DSS-14 make-up time request denied (lost to Stardust)
77 2012 MAR 09 correlation detected
78 2012 MAR 10 correlation detected
79 2012 MAR 11 no data X-band receiver frozen at GBT
80 2012 MAR 12 no data X-band receiver frozen at GBT
81 2012 MAR 13 correlation detected also obtained Mercury correlation
82 2012 MAR 14 correlation detected also obtained Mercury correlation
83 2012 MAR 15 correlation detected also obtained Mercury correlation - Venus correlation slightly compromised by accidental data gap
84 2012 MAR 16 no data DSS-14 time request denied (lost to maintenance)
85 2014 MAR 12 correlation detected
86 2014 MAR 13 no data DSS-14 unable to transmit (klystron #2 vac-ion problem)
87 2014 MAR 14 correlation detected
88 2014 MAR 15 correlation detected
89 2014 MAR 16 no data DSS-14 unable to transmit (klystron #2 vac-ion problem)
90 2016 NOV 21 Differential Doppler not working at DSS-14
91 2016 NOV 22 correlation detected
92 2016 NOV 23 no data DSS-14 time request denied (lost to maintenance)
93 2016 NOV 25 correlation detected
94 2016 NOV 26 correlation detected
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