NASA/Goddard Space Flight Center, Code 287 Greenbelt, MD

A -- A -- CHARGED COUPLED DEVICE (CCD) STAR TRACKER (ST) FOR SPACE FLIGHT USE SOL RFP5-16833/229 POC RUCHI SHARMA, CONTRACT SPECIALIST, 301-286-3989 BRADLEY J POSTON, CONTRACTING OFFICER, 301-286-3722. NASA/Goddard Space Flight Center intends to issue Request for Proposal (RFP)5-16833/229 for a firm fixed price contract for the fabrication and testing of one Charge Coupled Device (CCD) Star Tracker for spaceflight use with options for up to two additional units. The Star Tracker will interface with the Attitude Control Electronics (ACE) and be used for payload attitude control onboard the Wide-Field Infra Red Explorer (WIRE) satellite. Two optional trackers may be required for future Small Explorer (SMEX) missions. This CCD Star Tracker required for the WIRE spacecraft is identical to a CCD Star Tracker being used on the current SMEX/SWAS attitude control system. The attitude control system for the WIRE Spacecraft requires an identical device which must meet the current specification to provide the same form, fit, and function, withstand a minimum total dose of electron and proton bombardment of 100K Rad, and be electrically and mechanically interchangeable with the existing units. This requires that the mechanical envelope, weight, power, electrical interface, and thermal properties be identical. Since the WIRE program is on an extremely tight schedule, the flight qualified star tracker must be delivered within 18 months of contract award. The Small Disadvantaged Business (SDB) goal for this effort is 2%. We expect to release the RFP around the end of June, 1995. Any parties desiring consideration are requested to submit a written request for the RFP within 15 days of the publication date of this synopsis to Ms. Ruchi Sharma at the above address or by fax to (301)286-1720. NASA shall consider all proposals submitted by responsible sources. (0166)

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