NASA/Goddard Space Flight Center, Code 219, Greenbelt, MD 20771

A -- MODIFICATIONS TO ESTAR (ELECTRICALLY SCANNED THINNED ARRAY RADIOMETER) SOL RFO5-15075-271 DUE 081699 POC Rex T. Elliott, Contracting Officer, Phone (301)286-6204, Fax (301)286-0247, Email Rex.T.Elliott.1@gsfc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/GSFC/date.html#RFO5-15075-271. E-MAIL: Rex T. Elliott, Rex.T.Elliott.1@gsfc.nasa.gov. NASA's GSFC plans to issue a Request for Offer (RFO) for modifications to an existing synthetic aperture microwave radiometer known as ESTAR (Electrically Scanned Thinned Array Radiometer). NASA's GSFC intends to purchase these items from Quadrant Engineering Inc. on a sole source basis under the authority of 10 U.S.C. 2304 (c)(1) Only One Responsible Source. Because of it's hsitory in developing ESTAR, only Quadrant Engineering has the necessary capabilities to add the digital processing features to the ESTAR radiometer which are the subject of this procurement. The Government does not intend to acquire a commercial item using FAR Part 12. See Note 22 and Note 26. An Ombudsman has been appointed. See Internet Note "B". Interested firms have 15 days from the publication of this synopsis to submit in writing to the identified point of contact, their qualifications/capabilities. Such qualifications/capabilities will be used solely for the purpose of determining whether or not to conduct this procurement on a competitive basis. A determination by the Government to not compete this proposed effort on a full and open competitive basis, based upon responses to this notice is solely within the discretion of the Government. All qualified responsible sources may submit an offer which shall be considered by the agency. Any referenced notes can be viewed at the following URL: http://genesis.gsfc.nasa.gov/nasanote.html Posted 07/30/99 (D-SN361158). (0211)

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