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22

12/9/81

TITLE __________________________
Project No. ______________
Book NO. ______________

From Page No. _____________

GAS Info

Bud Hudgins     GSFC orbits ops     344-6054
Dean Zimmerman  RI                  x4163 or 3213
Jim Barrowman   GSFC MQR FTS   344-4968

Installation scheduled 1/8/82
Install followed by I/F test w/ flight cutlrs 
                             support crew (C2)
GAS cutlrs, cables, batteries in A16 for flight.

STS-3: *1 can (5 ft^3) on stbd side bay 12
*Beam & can exterior instrumented w/ thermal sensors
*Internal to can: 
-temp
-humidity
-vibration
-acoustic
*Date on self-contained recorder
*No orbiter pwr or [[strikethrough]] [[?]] [[/strikethrough]] data

*Rcdr and sensor activat by acoustic switch @ L/O
*Baro switch will shutdown if no Δalt sensed after acoustic switch activat

*CNTRL to SSP via cable (8')- one end = 3 pin; other = 4
GSFC will label ends to aid confusion prob.
*SSP to GAS = 1 twisted shielded pair.
*Cutlr crids (STS-3)  
Thermal switch expt ON (Relay 3)
Heat pulse expt ON (Relay 5)
Both expts OFF (Relay 4)
All relays OFF (Cmd 99)

*Battery = AgZn, 4KWH
-autoshutdown circuitry for overtemps, cell reversals etc
-thermal/vac tests @ JSC early 12/81 shows lifetime insufficient for original flt plan ops.

To Page No._____

Witnessed & Understood by me, ____________________
Date _________
Invented by ____________________
Recorded by ____________________
Date ____________

Transcription Notes:
---------- Reopened for Editing 2023-03-30 10:57:07