• TELEMETRY APPLICATIONS OF TENA AND JMETC

      Hudgins, Gene; Secondline, Juana; TENA Software Development Activity (SDA) (International Foundation for Telemetering, 2018-11)
      Often, TM requires operators on location with receive system(s) or at a remote console (with a remote antenna control unit), resulting in TDY for operators and possibly a shortage of operators to support all scheduled operations. A remote-control capability could eliminate existing personnel requirements at both the local system antenna site as well as the control facility, greatly reducing operational costs. TENA provides for real-time system interoperability, as well as interfacing existing range assets, C4ISR systems, and simulations; fostering reuse of range assets and future software systems. JMETC is a distributed, LVC capability using a hybrid network solution for all classifications and cyber. TENA and JMETC allow for the most efficient use of current and future TM range resources via range resource integration, critical to validate system performance in a highly cost-effective manner.
    • TELEMETRY DATA ON DEMAND: THE KEY TO UNDERSTANDING THE TELEMETRY NETWORK REVOLUTION

      Reinwald, Carl; Laulima Systems (International Foundation for Telemetering, 2018-11)
      The telemetry network revolution takes aeronautical flight testing from a broadcast-only paradigm to a TM-data-on-demand paradigm. This paper explores this paradigm shift, focusing on fundamental architectural changes enabled by incorporating telemetry networking technologies into a flight test system. Two concepts are presented to help understand the TM-data-on-demand paradigm: retrieving and processing recorded data from a test article during a mission and onboard dynamic data analysis and compression. An example flight test system with both SST and TmNS components provides a foundation to further explore the paradigm-shifting capabilities a telemetry network brings to flight test. In addition to TM-data-on-demand, the current static spectrum allocation methodology must also be replaced with a more agile, bandwidth-on-demand paradigm. When both TM-data-on-demand and bandwidth-on-demand capabilities have been realized, a new era of efficient flight testing will emerge.
    • Telemetry Range Support Aircraft (TRSA) Program: Providing the Navy with Next Generation TM and Range Support

      Roudebush, J. Kyle; Hernandez, Jose; Kujiraoka, Scott; Sanchez, Kenneth; Smith, Tauri; Pace, Michael; NAVAIR-Point Mugu; Raytheon Albuquerque (International Foundation for Telemetering, 2018-11)
      In November 2017, a contract was awarded to Raytheon Missile Systems to develop a new advanced telemetry system for the U.S. Navy’s Range Support Aircraft. Based within the Gulfstream 550 airborne early warning airframe, Raytheon’s modern solution will offer multirole capabilities in telemetry data collection and re-transmit, range surveillance and clearance, flight termination, and communications relay. This paper will detail the current status of the integration of these systems into the airplane, along with the one major developmental system called CBITS (Commercial Based Instrumentation Telemetry System).
    • Telemetry System Based on MESH Network and Its Application

      Guo, Pingfan; Liu, Ming; Li, Hong; Zhu, Hongxiang; Chinese Flight Test Establishment (International Foundation for Telemetering, 2018-11)
      In the flight test, the advantages of network telemetry have gradually emerged, and their application fields will also be expanded. This paper introduces a network telemetry system based on MESH net and its application in flight test, a ground station can receive telemetry signals of several planes at the same time; the components and functions of the system are described, the advantages of this network telemetry system, existing problems and suggestions on future improvements are presented.
    • TELLING THE T&E STORY USING ANALYTICS-BASED NARRATIVE VISUALIZATION

      Painter, Michael K.; Madanagopal, Karthic; Swaminathan, Kannan; Jones, Charles H.; Knowledge Based Systems, Inc.; C. H. Jones Consulting, LLC (International Foundation for Telemetering, 2018-11)
      There continues to be growing pressure to sell off spectrum currently allocated for defense purposes in favor of private sector applications, prompting concerns that we will soon reach a point where Department of Defense (DoD) needs can no longer be met. In response, the Range Commanders Council (RCC) Frequency Management Group (FMG) developed a baseline set of standard metrics to measure spectrum utilization, demand, efficiency, and operational effectiveness. Using this standard (RCC 707-14) as a foundation, a Spectrum Management Metrics Toolkit (SMMT) has been developed to calculate, plot, and display these metrics. The challenge now is leveraging these metrics to inform and construct the arguments needed to maintain access to needed spectrum. The purpose of this paper is to describe progress toward the development of a methodology and a set of analytics based on the RCC standard to build such a compelling narrative. The methodology is based on a data analytics and communication concept, called “Story Points,” which seeks to guide users in the discovery, composition, and delivery of targeted narratives and supporting graphics derived through mining available data sources.
    • Test Range Spectrum Management with LTE-A

      Picha, Bob; Nokia Corporation of America (International Foundation for Telemetering, 2018-11)
    • A Testing Method of Measuring Time Delay of the Flight Test AFDX Avionic System Caused by Data Acquiring Network

      Wang, Jianjun; Peng, Guojin; Yan, Yihong; Chinese Flight Test Establishment (International Foundation for Telemetering, 2018-11)
      Full Duplex Switched Ethernet AFDX is gradually replacing the traditional 1553B as the architecture of the new generation avionics system. AFDX bus has the characteristic of Ethernet delay. However, special needs for measuring avionics AFDX network delay are required to meet in flight test. According to the characteristics of flight test, this paper proposes a method of data acquisition network delay measurement for AFDX avionics system to solve the puzzle of delay measurement. The experiments on a test aircraft demonstrate that the method can improve the calculation accuracy of an avionics system and it’s effective in engineering applications.
    • UNIFICATION OF SIGNAL MODELS FOR SOQPSK

      Perrins, Erik; Rice, Michael; University of Kansas, Electrical Engineering & Computer Science Department; BYU, Department of Electrical and Computer Engineering (International Foundation for Telemetering, 2018-11)
      This paper begins by summarizing a recent advancement in the way that shaped offset quadrature phase shift keying (SOQPSK) waveforms can be viewed. This new viewpoint succeeds in eliminating the need for SOQPSK to be thought of as a “special” kind of correlated, ternary continuous phase modulation (CPM). Instead, SOQPSK can be viewed as an ordinary, binary CPM. We provide all of the details necessary to achieve a complete unification of SOQPSK models at the waveform level, at the bit sequence level, and in terms of waveform initialization. With this information, SOQPSK users can easily mix and match SOQPSK models at the transmitter and receiver in order to make use of the advantages of each model.
    • USING GPS RECEIVER 1PPS OUTPUT TO VERIFY TIME STAMP ACCURACY AND MEASURE PROPAGATION DELAY

      Knudtson, Kevin; Moreno, Antonio; NASA Armstrong Flight Research Center; NASA Armstrong Flight Research Center, Arcata Associates Inc. (International Foundation for Telemetering, 2018-11)
      A simple pulse overlay circuit using a logic OR gate was developed to overlay a precise leading edge 1 pulse per second time reference marker from a global positioning system receiver onto a non-return -to- zero-level pulse code modulation telemetry data stream to validate time stamp accuracy and measure propagation delay in telemetry equipment.
    • USING PHOTOGRAMMETRIC ANALYSIS WITH HIGH-SPEED CAMERAS IN FLIGHT TESTING APPLICATIONS

      Moore, Russ; Aerospace Instrumentation Curtiss-Wright (International Foundation for Telemetering, 2018-11)
      Flight test engineers sometimes need to conduct photogrammetric analysis to investigate transient phenomena and validate computer and wind tunnel models. Data is captured to characterize the performance of the aircraft and its avionics and other equipment and for store separation tests. Store separation encompasses such functionality as fuel tank release, landing gear operation and missile deployment. To capture accurate visual data during flight tests requires the use of a high-speed camera device capable of capturing moving images with exposure times for each image of less than 1/1,000 second or frame rates in excess of 200 frames per second. The cameras used in store separation FTI applications must be very environmentally rugged and perform optimally and accurately in harsh environments. Any potential failure must be mitigated because of the high cost of keeping a test platform in the air. Post-test, it is important that the images can be correlated so the data is suitable for photogrammetric analysis. This paper discusses what is required for successfully capturing data in flight tests for photogrammetric analysis and outlines a high speed camera system solution.
    • WIRELESS SOIL SENSOR PODS FOR LONG-TERM DATA COLLECTION

      Lipina, Jacob; Van Horn, Andrew; Schad, Judah; Kosbar, Kurt; Missouri University of Science and Technology (International Foundation for Telemetering, 2018-11)
      This paper discusses the applications of a wireless telemetry module used to collect remote sensor data used in a teleoperated electric vehicle that competed in the 2018 Mars University Rover Challenge (URC). Remote wireless soil sensor pods, 100 cc in volume, equipped with a 32-bit microcontroller and embedded IEEE 802.11 b/g/n Wi-Fi were distributed at key locations to relay soil moisture and temperature values over a local repeater to a remote base station. Combined with a low power deep sleep mode (1.84 mW), two 2500 mAh lithium-ion polymer batteries, and voltage regulation electronics, such a device could periodically relay telemetry data for many years without recharge. The small size presents the opportunity for large scale production and distribution across exoplanetary surfaces for monitoring soil characteristics over time.
    • WIRING HARNESS CONSTRUCTION AND DATA PROTOCOL SELECTION FOR HIGH NOISE APPLICATIONS

      Schultz, Aaron; Marcellin, Michael; Univ Arizona (International Foundation for Telemetering, 2018-11)
      The main problem with wired data transmission is exposure to electrical noise. In environments with extremely high noise levels, special care needs to be taken in order to accurately send data between two or more devices. In the case of motorsports, extreme noise on any critical data lines can cause engine failure, putting the driver’s safety at risk. The purpose of this paper is to explain effective construction techniques for noise reduction in a wiring harness, as well as to review how certain serial data protocols will handle errors in harsh conditions.