HARDWARE DESCRIPTION ENVIRONMENTAL TEST
LEV TEST ITEM UNIT SUPPLIER THE STR MOD RAN LO LOW SHO MEC ACO LIF MAS PRE EMI MAG THE THE THE BA LEA COM
EL TYPE /GSFC RMA UCT AL DOM AD CK HAN UST E S SSU /EM NET RMA RMA RMA KE K MEN
OF CODE L URA SUR S LEV ICA IC TES PRO RE C/R ICS L L L OU TS
ASS ANA L VEY VIB (S EL L T PER PRO FI VAC BAL CYC T
EMB LYS ANA RAT IN SIN FUN TIE FIL UUM ANC LIN
LY IS LYS ION E E CTI S E E G
IS BU SWE ON (Am
RS EP b.)
T)
P PAYLOAD PF 740 X X X X X X X X X X X X X 1
STRUCTURES
S Payload Structure PF 741 X X X X X X 2
C Solar Array Mechanisms PT 741 X X 3
S DATA
C S/C Computer System PF 743 X X X X X X
C 1553 Data Bus Coupler PF X X X X X
S POWER
C S/C Power Electronics PF 743 X X X X X X
C Shunt Boxes (1-2) PF 743 X X X X X
C Battery PF 734 X X X X ? X
C Solar Arrays PF X X X X X 4
C Shunt Assembly & PF 743 X X
Harness
S ATTITUDE CONTROL
C Attitude Control PF 745 X X X X X X
Electronics
C Magnetometer PF X X X X X X
C Raection Wheels (4) PF/F X X X X X X X 5
C Torque Rods (3) PF Ithaco/7 X X X X
45
C Gyro Box PF 745 X X X X X X
C Course Sun Sensor (6) PF X X X
C Digital Sun Sensor PF 745 X X X
C DSS Elecronics PF 745 X X X
C Star Tracker PF 745 X X X
C Bright Object Sensor PF 745 X X X
S COMMUNICATIONS
C Transponder PF Loral/73 X X X X X
7
C Antennas (2) PF 737 X X X X X
S THERMAL
C Blankets PF 724 X
C Battery Radiators PF
S ELECTRICAL
C Test Connector Panel PF X X X X
C Harness PF 743 X X
C S/C Umbilical PF 743 X X
Assemblies
S INSTRUMENT
C Cryogenic Subsystem PF X X X X X X X ? X
C Electronics PF X X X X X X
C Telescope PF X X X X X
C Harness PF X X
COMMENTS:
(1) Payload loads testing done to acceptance levels.
Mechanical function constists of solar array release after vibration.
Weight, CG, MOI, and POI.
Static balance in lateral axis.
(2) Flight structure configured with mass dummies.
Modal done in stowed and deployed configurations.
(3) Mechanical function consist of thermal vacuum deployments.
(4) Solar Array life test performed on qualification panels.
(5) Random vibration performed to acceptance on flight wheels.
Revision: February 16, 1996