File uvcs_sheet4.txt -- Last modified Tue Jun 20 15:52:02 1995


                   COMMISSIONING PHASE BLOCK SHEET

1. INSTRUMENT AND BLOCK NUMBER: UVCS, Block 4

2. BLOCK IDENTIFICATION: UVCS Science Observations

3. PURPOSE: Perform initial synoptic sequences

4. SUB-BLOCKS: (see Note 1)
   NR.   IDENTIFICATION
   4.1   UVCS Observations 1-6
   4.2   UVCS Standard Synoptic

5. SUB-BLOCKS TABLE: (see Note 2)
   NR. - DURATION - PREVIOUS - COMMANDING - TELEMETRY - POINTING
   4.1    10 days     Nom.     NRT-s/d (1)     H         Nom.
   4.2     6 days (2) Nom.     NRT-s/d (1)     H         Nom.

   (1) Shared NRT, with occasional short periods of NRT-d
   (2) To be continued after SVM Halo commissioning

6. SCHEDULING REQUIREMENTS: (see Note 3)
   4.2 after Halo Orbit Insertion

7. SPECIAL REQUIREMENTS: (see Note 4)
   4.1 and 4.2 both continue after NRT channel closes, 24 hours/day

8. SUCCESS CRITERIA AND/OR EXPECTED OUTPUT:
   Acquisition of scientifically meaningful data as plannned

9. RELEVANT PROCEDURES
   N/A

10. CROSS-REFERENCE TO TEST SHEETS: (list identifiers for test sheets)
    Ask Sylvano

11. RELEVANT SECTION OF TIMELINE (backpage)


BLOCK4 -- UVCS SCIENCE OBSERVATIONS

BLOCK4.1 -- UVCS Observations 1 - 6  consist of standard synoptic sequence + TBD,  

    100 & 01:24 # Roll to PA = 0.0, Repeat Day 87 (22 hrs,36 min) # (ded/shar) 

    101 & 01:24 # Roll to PA = 0.0, Repeat Day 87 (22 hrs,36 min) # (ded/shar)

    102 & 01:24 # Roll to PA = 0.0, Repeat Day 87 (22 hrs,36 min) # (ded/shar)

    103 & 01:24 # Roll to PA = 0.0, Repeat Day 87 (22 hrs,36 min) # (ded/shar)

    104 & 01:24 # Roll to PA = 0.0, Repeat Day 87 (22 hrs,36 min) # (ded/shar)

    105 & 01:24 # Roll to PA = 0.0, Repeat Day 87 (22 hrs,36 min) # (ded/shar)

    106 & 01:24 # Roll to PA = 0.0, Repeat Day 87 (22 hrs,36 min) # (ded/shar)

    107 & 01:24 # Roll to PA = 0.0, Repeat Day 87 (22 hrs,36 min) # (ded/shar)

    108 & 01:24 # Roll to PA = 0.0, Repeat Day 87 (22 hrs,36 min) # (ded/shar)

    109 & 01:24 # Roll to PA = 0.0, Repeat Day 87 (22 hrs,36 min) # (ded/shar)



BLOCK4.2 -- UVCS requests synoptic obs. during days 122 till end of S/C commissioning
 
 
     122 & 01:24 # Roll to Position angle 00 (PA=0), (18 min.) # (dedicated)

     122 & 01:42 # Switch ON HV in LYA, OVI, and VL detectors # (dedicated)

     122 & 01:43 # Start Observation "1", SYNOPTIC NP, (49 min.) # (shared)

     122 & 02:32 # Roll to target in North hemisphere (10 min.) # (dedicated)

     122 & 07:30 # Roll to PA = -36 (4 min.) # (dedicated)

     122 & 07:34 # Continue Observation "3", SYNOPTIC WL (30 min.) # (shared)

     122 & 08:04 # Roll to PA = 36 (8 min.) # (dedicated)

     122 & 08:12 # Continue Observation "3", SYNOPTIC (30 min.) # (shared)

     122 & 08:42 # Roll to PA = 72 (4 min.) # (dedicated)

     122 & 08:46 # Continue Observation "3", SYNOPTIC  (30 min.) # (shared)

     122 & 09:16 # Roll to PA = 108  (4 min.) # (dedicated)
 
     122 & 09:20 # Continue Observation "3", SYNOPTIC (30 min.) # (shared)
 
     122 & 09:50 # Roll to PA = 144 (4 min.) # (dedicated)
 
     122 & 09:54 # Continue Observation "3", SYNOPTIC (30 min.) # (shared)
 
     122 & 10:24 # Roll to PA = 216 (8 min.) # (dedicated)
 
     122 & 10:32 # Continue Observation "3" SYNOPTIC (30 min.) # (shared)
 
     122 & 11:02 # Roll to PA = 252 (4 min.) # (dedicated)
 
     122 & 11:06 # Continue Observation "3", SYNOPTIC (30 min.) # (shared)
 
     122 & 20:00 # Roll to PA = 180 (18 min.) # (dedicated)

     122 & 20:18 # Start Observation "6", SYNOPTIC SP (50 min.) # (shared)

     122 & 21:08 # Roll to new target (10 min.) # (dedicated)

     123 & 01:24 # Repeat Day 122 # (dedicated/shared)

     124 & 01:24 # Repeat Day 122 # (dedicated/shared)

     125 & 01:24 # Repeat Day 122 # (dedicated/shared)

     126 & 01:24 # Repeat Day 122 # (dedicated/shared)

     127 & 01:24 # Repeat Day 122 # (dedicated/shared)

;   Continue until end of Spacecraft Sun sensor Test