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1990-10-08
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Mission Control Status #8
MISSION CONTROL STATUS REPORT
REPORT 8
Oct. 8, 1990. Flight Day 3
MET 02/00:27
CDT 7:15 a.m.
The STS-41 crew continues to direct its attention to
secondary science and operational investigations during the
mission's third flight day.
STS-41 crew members completed a waste water dump on
orbit 33 over the southeastern U.S. as part of detailed test
objective (DTO) 330 about 7:02 a.m. CDT or a MET of 2/00:18. The
DTO is designed to give investigators a clear definition of the
water's plume with respect to the orbiter. Interest in
documenting this event resulted after STS-61A when water from an
orbiter waste/supply water dump recontacted the orbiter.
STS-41 Mission Specialists Bill Shepherd and Bruce Melnick
worked with the Voice Command System (VCS) this morning. This was
the second of three sessions in which Shepherd and Melnick are
testing a device designed to allow voice control of the orbiter's
television cameras. The system failed to recognize nine words in
its 31 word vocabulary during Shepherd's session. Melnick
reported better success, having difficulty with only two words.
The VCS works on personalized "templates" to identify the
user. The templates are computer chips that recognize the human
voice and make "imprints" of words, which it stores as commands.
Investigators had speculated the system might encounter some
difficulty in identifying Shepherd and Melnick's voices because
microgravity can change voice characteristics. The crew's final
session with the VCS is scheduled for about 6:30 a.m. tomorrow or
a MET 3/00:30.
Later today crew members will work with the Shuttle Solar
Backscatter Ultraviolet (SSBUV) experiment, Chromosome and Plant
Cell Division (CHROMEX-2) and DTO 1206 the Cursor Control Device.