WEEKLY HIGHLIGHTS FOR WEEK ENDING 5 September 1997:
The SRE and TRE electronics for GTU-2 are currently mounted and cable tests have been successfully performed. All four GTU-2 SQUID sensors did flux lock correctly, a necessary condition for full functionality. The SQUID with the shorted input has the lowest noise, while the other three are exhibiting low frequency noise levels that are consistent with a large level of flux trapped in the rotors. High trapped flux in the rotors is to be expected after probe insertion and before flux flushing.
SPACE VEHICLE HIGHLIGHT
The second (and final) Relativity Mission Spacecraft Critical Design Review (CDR 2) was successfully held on 27 August. The first Spacecraft CDR (held in February, 1997) primarily covered hardware funded earlier in the program; CDR 2 covered, hardware funded later in the program, system-level design and flight and ground software.
The cryopump was successfully fit checked into the flight probe. The pump's mounts lined up in all windows and lead wires were correctly positioned. All bonding operations on the probe thermal shoe assemblies have been completed. All probe vacuum shell machining has been completed, and the cylinder and dome are etched and at NASA/Ames for magnetic testing.