WEEKLY HIGHLIGHTS FOR WEEK ENDING 7 AUGUST 1998:
STANFORD HIGHLIGHT
Dr William Bencze, manager of the Gyroscope Suspension
System (GSS) group,
reports that the digital design
team -- Paul Lassa (lead), Scot Sulak, Scott
Smader
and Joe Kilner -- have fully populated the aft GSS
enclosure with
flight-prototypical printed circuit
boards. These boards have been
tested and shown to
be functional in isolation, and are now moving to
integrated testing. The GSS GFAB forward/aft communications
link,
fabricated in a flight prototypical form-factor
and with
flight-prototypical cables is functional and
is successfully undergoing
long-duration bit error
rate testing. Photo: Science Instrument Assembly.
SPACE VEHICLE HIGHLIGHT
Relativity Mission Space Vehicle Electrical Product Development
Team members
successfully performed confidence testing with
the flight Standard Power
Regulation Unit (SPRU) using the
LMMS-built Solar Array Simulator. Testing
concluded on
July 29 at Engineered Magnetics, Ranch Dominguez, CA.
SPRU
dynamic testing successfully simulated on-orbit
solar array shading and load
variation conditions.
The Relativity Mission science experiment is
sensitive to supply power variations at space vehicle
roll rate. During
this testing, frequency responses
of the space vehicle power bus voltage and
current
ripple components at roll frequency were measured to
be minimal. Photo: Engineered Magnetics employee
Mel Nagamine and LMMS engineer Paul Dulgov
testing
the flight unit SPRU in Rancho Dominguez, California.