Live, Virtual, Constructive (LVC) environments are designed to integrate flight assets with simulated aircraft and airspace to support human in the loop simulation and flight test activities. NASA's Unmanned Aircraft System (UAS) Integration into the National Airspace System (NAS) Project is developing an LVC environment to research the display, communication, and acceptability of detect and avoid concepts to the pilot. The simulations and flight tests are conducted over a nationwide network with components communicating via software gateways that translate the messages and provide a location to access and collect data. The data collected is not only archived for post-processing and analysis, but also processed in real-time by the Remote User Monitor Service (RUMS), which allows real time viewing of the information via a web browser. This real-time dynamic viewing of the data allows test conductors and researchers to monitor the health of the distributed system and the data being collected not only in situ where tests are conducted but also at remote locations. This paper discusses the design approach and general software architecture of the RUMS application.
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