NASA/Langley Research Center, Mail Stop 144, Industry Assistance Office, Hampton, VA 23681-0001

A -- MARS AIRPLANCE PACKAGE DATA COMPRESSION STUDY SOL 1-168-RFH.1011 DUE 113099 POC Kimberly D. Duncan, Contracting Officer, Phone (757) 864-3566, Fax (757) 864-8863, Email k.d.duncan@larc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/LaRC/date.html#1-168-RFH.1011. E-MAIL: Kimberly D. Duncan, k.d.duncan@larc.nasa.gov. This is a modification to the synopsis entitled MARS Airplane Package Data Compression Study 1-168-RFH.1011 which was posted on October 20, 1999. You are notified that the following changes are made: The sole source requirement is hereby canceled. A solicitation for full and open competition will be issued on or about November 15, 1999, with an anticpated due date of on or about November 30, 1999. The due date for receipt of quotes is extended November 30, 1999. Documents related to this procurement are available over the Internet and are in Microsoft Office Suite (Word 6.0, Excel 5.0, or PowerPoint 4.0) format and will reside on a World Wide Web (WWW) server, which may be accessed using a WWW browser application. The Internet site, or URL, for the NASA/LaRC Business Opportunities home page is http://procurement.nasa.gov/EPS/LaRC/class.html Offerors are responsible for monitoring this site for the release of the solicitation and any amendments. Potential offerors are responsible for downloading their own copy of the solicitation and amendments (if any). Posted 11/08/99 (D-SN399031). (0312)

Loren Data Corp. http://www.ld.com (SYN# 0004 19991110\A-0004.SOL)