NASA/Glenn Research Center, 21000 Brookpark Road, Cleveland, OH 44135

66 -- BIT ERROR RATE TEST SET (TRANSMITTER AND RECEIVER) SOL RFQ3-146373 DUE 041200 POC Teresa Monaco, Contract Specialist, Phone (216)433-8293, Fax (216)433-2480, Email Teresa.L.Monaco@grc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.msfc.nasa.gov/cgi-bin/EPS/bizops.cgi?gr=D&pin=22#RFQ3- 146373. E-MAIL: Teresa Monaco, Teresa.L.Monaco@grc.nasa.gov. THIS NOTICE CONSTITUTES AMENDMENT NO. 1 TO THE COMBINED SYNOPSIS/RFQ FOR BIT ERROR RATE TEST SET (TRANSMITTER AND RECEIVER). Companies shall acknowledge all amendment(s) in their quote. This notice serves as the official amendment to subject synopsis/RFQ and a written amendment will not be issued. The purpose of this amendment is to revise Item #3 in the specifications: 3. Serial I/O: Amplitude, Offset, and Delay Adjustments. Parallel I/O: ECL level. The due date for receipt of offers is not extended. Companies shall provide the information stated in the synopsis/RFQ posted on the NASA Acquisition Internet Service (NAIS) on April 4, 2000. Documents related to this procurement are available over the Internet and are in Microsoft Office Suite (Word 97, Excel 97, or PowerPoint 97) format and reside on the World Wide Web (WWW) server which may be accessed using a WWW browser application. The Internet site, or URL, for the NASA/GRC Business Opportunities home page is http://nais.msfc.nasa.gov/cgi-bin/EPS/bizops.cgi?gr=CL&pin=22 Posted 04/05/00 (D-SN441703). (0096)

Loren Data Corp. http://www.ld.com (SYN# 0246 20000407\66-0007.SOL)