DISA-DITCO/DTS22, 2300 East Drive, Scott AFB, IL 62225/5406

D -- DIGITAL SERVICE - FALCON AFB, CO TO INDIAN OCEAN TRACKING STATION, MAHE ISLAND, SEYCHELLES SOL DCA200-95-R-0027 DUE 080495 POC Ms. Joan Reagan/DTS22/618-256-9470/Contracting Officer Modification to synopsis number 95077 - published in CBD on 15 Feb 95. Synopsis is modified to reflect new proposal due date and to provide a projected RFP release date. Engineer, Furnish, Install, Test, Operate, and Maintain dedicated, full time, full duplex, point to point 56KBPS Digital Service between Falcon AFB, CO and the Indian Ocean Tracking Station on Mahe Island, Seychelles. The Government may require that the service be upgraded to 128KBps or 1.544Mbps. Technical Data required and availability: MIL-HBK- 419, MIL-STD-454M, MIL-STD-461C, MIL-STD-882C, MIL-STD-4158E, MIL-STD-721C, MIL-E-6051 can be obtained from Naval Publishing and Printing Services Office, Building 4, Section D, 700 Robins Avenue, Philadelphia, PA 19111-5904; AFSCF-IDC-008, SD-CSOC-00061B, OI 800-2 may be requested from: Department of the Air Force, Space and Missile Systems Center/CWT, P.O.Box 92960 Worldway Postal Center, Los Angles, CA 90009-2960, Attn: J. Peredo, Lt, USAF; AT&T Technical Reference Pub 62411 may be ordered from: AT&T Customer Information Center, P.O. Box 19901, Indianapolis, IN 46219. RFP will be released on/about 19 Jun 95. The Defense Information Technology Contracting Office (DITCO), will make this solicitation available through an electronic bulletin board, the DISA Acquisition Bulletin Board System (DABBS). WHILE VENDOR CORRESPONDENCE VIA THE DABBS, REGARDING THIS RFP IS ENCOURAGED, VENDORS MAY RECEIVE THE SOLICITATION EITHER ELECTRONICALLY OR BY MAIL. Vendors desiring to correspond with DITCO on this RFP via the DABBS will be able to, through electronic means, dial into the system, download the RFP, check the status of the RFP, receive amendments and other RFP related correspondence. Vendor proposals must continue to be received by DITCO in hard copy. Procedures for receiving the RFP and subsequent correspondence via the DABBS is as follows: the RFP will be placed in the requirements area (bulletin), Area 52, of the DABBS. No pre-registration is required to gain access to the DABBS, the vendor will assign their own userid and password. To access the DABBS, vendors will need an IBM compatible computer, modem (1.2 through 14.4 KBPS), and communications software (i.e., Procomm, QModem, etc.). The RFP will be posted on the DABBS in Microsoft Word for Windows 2.0 format, and vendors will need compatible software to view the RFP after it has been downloaded. Standard communications parameters apply: 8 data bits, no parity, and 1 stop bit. The DABBS can be accessed 24 hours/day, 7 days/week, by calling (618) 256-9200. Questions pertaining to the RFP should be directed to the Contracting Officer at the phone number noted herein. Questions regarding the use of the DABBS should be addressed to the system administrator at (618) 256-9380. Vendors who desire to receive the RFP in hard copy via the mail may do so; however, it is requested that access to the RFP and related information be received either via the DABBS or mail - not both. If you wish to receive the RFP and related information via the mail, please forward your written request to the Contracting Officer noted above. All written requests must include the Vendor's full name, street address (no P.O. Boxes please, as overnight mail cannot be delivered to a P.O. Box), City, State and Zip + 4 (a full nine digit Zip code is required), company point of contact with telephone and fax numbers, and the company size status under the SIC Code. VENDORS WHO FAIL TO PROVIDE ALL INFORMATION AS REQUESTED WILL NOT BE ADDED TO THE BIDDER'S LIST. Vendors who wish to receive the RFP and related information via the DABBS need not reply in writing as the required information will be requested when you access the DABBS. (0151)

Loren Data Corp. http://www.ld.com (SYN# 0030 19950601\D-0002.SOL)