HQ Electronic Systems Center, JTIDS Contracting Division (TDK) 175 Vandenberg Drive, Hanscom AFB, MA 01731-2138

58 -- JOINT TACTICAL INFORMATION DISTRIBUTION SYSTEM (JTIDS) CLASS 2M '94 SPARES POC Gabriel Groves, Point of Contact, 617-377-9301; Donna C. Heinz, Contracting officer, 617-377-9304. HQ, Electronic Systems Center intends to issue a sole source undefinitized new work supplemental agreement to General Electric Company (GEC) - Marconi Electronic Systems Corporation for the acquisition of Joint Tactical Information Distribution Systems (JTIDS) 2M spares to support the 1994 procurement of Class 2M terminals on Contract F19628-86-C-0035/P00246. JTIDS is an advanced radio system that provides electronic warfare resistant information distribution, position location, and identification capabilities in an integrated form for application to military operations. These capabilities result from the system's ability to distribute information at high data rates, encrypted and transmitted to provide secure, jam resistant, highly reliable communications in a hostile electromagnetic environment. JTIDS provides a broadcast capability to interconnect multiple sources and users of information in the upper UHF band of 960 to 1215 MHz. It provides surface and airborne elements with a position location capability within a common position reference grid and an intrinsic identification capability through the dissemination of secure position and identity information. These capabilities are derived from the JTIDS nodeless structure, encryption capability, time division multiple access architecture, pseudorandom data coding, frequency-hopping, spread spectrum, and multiple net features. While the JTIDS Class 2M (Modified) terminal incorporates the features identified, it was designed specifically for Army ground based operations. In 1985 the Army identified a need for a modified JTIDS terminal that was smaller and lighter weight than the existing Class 2 terminal, consisted of a single line replaceable unit, had an increased reliability, and a reduced cost. The Army's specific requirements for the Class 2M include terminal weight, 88 lb., user rate ( 8 Kbps, connectivity in a non-jam environment = 85%, 70% in jamming environment, and 393 hours Mean Time Between Operational Mission Failure (MTBOMF). A development contract was awarded to General Electric Co. - Marconi Electronic Systes Corp. (GEC-Marconi Systems) in 1985 for the design, development, and test of 24 terminals. GEC-Marconi Systems subcontracted with Rockwell International, Collins Avionics Electronic Systems Corp (CACD), for the design and fabrication of the Receiver Transmitter Sub-Assembly (RTSA). Delivery of the twenty-four (24) development model terminals occurred from March 1988 to September 1990. These terminals have been/are being used for development and operational testing and platform integration. Specific Army platforms that will use these terminals are Forward Area Air Defense (FAAD), Patriot, Theater High Altitude Air Defense (THAAD), Joint Tactical Ground Systems (JTAGS), Corps Area Surface to Air Missile (Corps SAM), and Army Theater Missile Defense Tactical Operations Center (ATMD TOC). Since the build of the first 24 Class 2M's, the terminal configuration has undergone a three-phase Product Improvement Program (PIP). PIP Phase 1, awarded to GEC-Marconi Systems, improved the terminal's front panel consistent with manpower and personnel integration investigations and replaced the two Central Processing Units (CPU), with two 25MHz 68030 CPUs common to all JTIDS terminals. Additionally, the RTSA was modified to incorporate features required by the National Telecommunications and Information Administration (NTIA) for frequency allocation. A new battery unit was also installed. PIP Phase 2 included a contract award to GEC-Marconi Systems for further chassis updates, a new Common Signal Processor (CSP) for use in all JTIDS terminals, and an award to CACD-Rockwell for a common Receiver/Synthesizer module for the RTSA. PIP Phase 3 awarded to GEC-Marconi Systems, shortened the length of the Class 2M chassis and produced a combined operational computer program so as to run on a single 29MHz 68030 CPU. As a result of the three PIP Phases, a capability now exists for loading operational software into the terminal using a laptop computer connected to an external port. Test results from the PIP Phase 3 effort should become available in March 1995. The product of the PIP efforts is a lower weight/lower cost terminal with increased reliability and produceability. Some of the other changes now incorporated into the terminal configuration include: substitution of the Position Location and Reporting System (PLRS) JTIDS Hybrid Interface (PJHI) card with the Army Data Distribution Systems Integration (ADDSI) card various software updates, and a reconfiguration of boards due to obsolete parts and white wires. In June 1994, the final Class 2M development contract was awarded, as modification P00246 on Contract F19628-86-C-0035, to GEC-Marconi Systems for 20 terminals for the THAAD, Patriot, and Corps SAM platforms. The purpose of the planned Undefinitized New Work Supplemental Agreement synopsized herein is to purchase spare Shop Replaceable Units (SRUs) to support the 1994 JTIDS Class 2M terminal buy. The following SRUs will be purchased: SRU Quantity Common Signal Processor (CSP) 6 Army Data Distribution System Interface(ADDSI) 13 Central Processing Unit (CPU) 6 Power Supply #1 (PS#1) 6 Power Supply #2 (PS#2) 7 Time Base Intermediate Frequency (TB/IF) 6 Blower 6 Chassis 5 Battery5 Receiver Transmitter Sub-Assembly (RTSA) 9 The statutory authority to issue the aforementioned sole source contractual action is 10 U.S.C. 2304 (c)(1) which states ''only a limited number of responsible sources and no other supplies or services will satisfy the requirements.'' The Undefinitized New Work Supplemental Agreement will be issued on or about 15 SEP 95. A definitized supplemental agreement is anticipated for award on or about 21 NOV 95. Delivery of the spares is scheduled to commence sixteen (16) months after award. Please address any questions to the Procuring Contracting Officer (PCO), Captain Donna C. Heinz, HQ Electronic Systems Center, JTIDS Contracting Division (TDK), 175 Vandenberg Drive, Hanscom AFB, MA 01731-2138 at (617) 377-9304. (0242)

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