DISA/DITCO/DTS21 2300 East Drive, Scott AFB, IL 62225- 5406

D -- AFTAC DISTRIBUTED SEISMIC NETWORK COMMUNICATIONS SOL DCA200-99-C-0020 POC Susan Hayden, 618-229-9732 E-MAIL: click here to contact the contracting officer via, haydens@scott.disa.mil. The purpose of this amendment is to delete Numbered Note 22 from the original synopsis, Submission No. 302720. Posted 03/18/99 (W-SN310243). (0077)

Loren Data Corp. http://www.ld.com (SYN# 0042 19990322\D-0005.SOL)