NAVSTAR GPS Equipment
Abstract
Navigation Satellite Timing & Ranging (NAVSTAR) Global Positioning System (GPS) project (0921) is a space-based Positioning, Navigation, and Timing (PNT) system that provides authorized users with secure, worldwide, all weather, three dimensional position, velocity, and precise time data. This project is comprised of four distinct efforts: Air and Sea Navigation Warfare (NAVWAR), GPS-based PNT Service (GPNTS), and GPS Modernization. Research, Development, Testing and Evaluation (RDT&E) funds are used to perform all the non-recurring GPS Surface Ship, Submarine and Aircraft Development, Integration, and Testing efforts in support of NAVSTAR GPS. The Air and Sea Navigation Warfare (NAVWAR) programs were established to provide continued access to GPS information in a denied or impeded electronic environment. The Sea NAVWAR program is executed in two increments: Increment 1 is GPS Antenna System (GAS-1); Increment 2 is Advanced Digital Antenna Production (ADAP). The purpose of Increments 1 and 2 is to integrate Anti-Jam (AJ) antennas on surface platforms. The Sea NAVWAR program will continue research of viability and development of a smaller ADAP variant referred to as the Multi-Platform Anti-Jam GPS Navigation Antenna (MAGNA) for surface ships. The program continues to support the Submarine Anti-Jam GPS Enhancement (SAGE) antenna development integrating AJ capability on submarines for the OE-538 Increment 2 Mast program. The Air NAVWAR program is a single increment with GAS-1, ADAP, and other continuing efforts. RDT&E continues to support platform integration requirements, Developmental Test/Operational Test (DT/OT), the Navy's development of a smaller Anti-Jam (AJ) antenna and a conformal low-observable AJ antenna for aircraft with unique requirements, and new technology AJ solutions for submarines. The GPS-based PNT Service (GPNTS) system is being developed to serve as the primary PNT system for the Navy to ensure to ensure reliable PNT capability and interoperability insertion in GPS receivers and associated Command, Control, Computers, Communications and Intelligence (C4I) and combat system in a denied environment. GPNTS provides precise PNT data required for many combat, weapons, command, control, communications, navigation, and other systems, as well as providing the time synchronization critical to the network environments. GPNTS will backfit current PNT/GPS systems as well as serve as a forward fit for new platforms. GPNTS will host the GPS Directorate-developed MGUE card, allowing access to the new more accurate and secure GPS Military-Code (M-Code) signal. GPNTS will provide more robust and secure GPS/PNT capabilities than is currently in the Fleet. The system will provide the capability to migrate non-real time GPS data toward a Common Computing Environment (CCE) such as Consolidated Afloat Networks Enterprise Services (CANES), and provide a path for the integration of advanced navigation systems and sensors. GPNTS supports Anti-Access/Area of Denial (A2AD) by providing Assured-PNT (A-PNT) capability to C4ISR and combat systems in standalone and networked architectures throughout the air and maritime domains. GPNTS will support and provide input to Joint Aerial Layer Network-Maritime (JALN-M). JALN-M is the Navy implementation of the JALN architecture which provides assured communications in any environment, especially A2AD. GPS continues to be integrated in all DoD platforms and the development of enhanced and protected GPS is a national security priority. The acceleration of GPS Modernization addresses the Navy's future integration of GPS Directorate Military GPS User Equipment (MGUE) products being developed that will provide Naval platforms improved access to GPS signals in challenged and jamming environments. Modernized GPS receivers to utilize the new M-Code GPS Signal in Space, incorporate enhanced cryptology, deliver greater position and time accuracy, and provide improved protection against signal spoofing as compared to legacy receivers. Additionally, GPS Modernization delivers increased GPS anti-jam protection and enables blue force GPS electronic attack. Because of the number and diversity of all of the Navy's air, surface, subsurface, and weapons platforms, this project will consist of multiple parallel efforts across many program offices with central coordination of funding and priorities. This effort supports Navy compliance with Public Law 111-383 which prohibits spending funds on non M-Code GPS receivers after FY17.
Document Details
- Document Type
- Project
- Publication Date
- Oct 01, 2017
- Source ID
- 0921_0604777N_5_1319_PB_2017
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- Child Accomplishment: Global Positioning System (GPS) - Based Positioning, Navigation and Timing (PNT) Service (GPNTS)
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