NASA/Goddard Space Flight Center, Code 217, Greenbelt, MD 20771

A -- HTXS X-RAY CALORIMETER OR EQUIVALENT SOL RFP5-02171-235 POC Janet Langweil, Contract Specialist, Phone (301)286-4212, Fax (301)286-1720, Email Janet.S.Langweil.1@gsfc.nasa.gov -- Bradley Poston, Contracting Officer, Phone (301)286-8688, Fax (301)286-1720, Email Bradley.J.Poston.1@gsfc.nasa.gov WEB: Click here for the latest information about this notice, http://procurement.nasa.gov/EPS/GSFC/date.html#RFP5-02171-235. E-MAIL: Janet Langweil, Janet.S.Langweil.1@gsfc.nasa.gov. THIS IS A NOTICE OF CANCELLATION OF RFP5-02171-235 FOR THE HTXS X-RAY CALORIMETER OR EQUIVALENT EFFORT. THIS EFFORT WILL BE ISSUED AS A NASA RESEARCH ANNOUNCEMENT (NRA) AND WILL BE SYNOPSIZED PRIOR TO ISSUANCE ON THE WORLD WIDE WEB. GENERAL INFORMATION ON THE CONSTELLATION X-RAY MISSION (PREVIOUSLY KNOWN AS HTXS MISSION) CAN BE FOUND AT THE FOLLOWING URL: http://constellation.gsfc.nasa.gov/. (0339)

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