General Atomics Delivers Spacecraft Simulator to Support NASA TSIS-2 Program

San Diego – May 1, 2023 – General Atomics Electromagnetic Systems (GA-EMS) today launched the Total Spectrum and Spectral Solar Irradiance Sensor 2 (TSIS-2) spacecraft program. GA-EMS has a contract with NASA’s Goddard Space Flight Center (GSFC) to build his TSIS-2 spacecraft. The TSIS-2 spacecraft will provide high quality data for solar irradiance measurements and long-term climate records. CU LASP provides Total Irradiance Monitor (TIM) and Spectral Irradiance Monitor (SIM) sensors for TSIS-2.

“This represents the first complete end-to-end spacecraft simulator that we have designed, programmed, built and delivered to our customers, adding significant new capabilities to our space systems and technology portfolio.” said Scott Forney, GA-EMS President. “The spacecraft simulator allows us to check the communication and functionality of the TSIS-2 payloads on board the GA-150 satellite bus in preparation for satellite operations. , we have an experienced in-house team developing and building simulators to support new customers and satellite programs.”

The TSIS-2 spacecraft simulator provides the ability to send and validate commands, receive health and status telemetry, receive scientific and analog thermistor data and upload specific command files. Spacecraft simulators provide valuable capabilities for testing system performance, payload interfaces, and pre-flight functionality in preparation for mission operations on orbit. GA-EMS designs and manufactures his TSIS-2 satellite based on the modular and scalable GA-150 ESPA class bus architecture. GA-EMS has also performed the integration and testing of his TSIS-2 payload and will provide mission operational support. Once launched, the satellite will operate in a sun-synchronous orbit and the TSIS-2 payload will provide NASA with continuous solar monitoring capabilities throughout the mission.

“We offer an agile approach to satellite design, testing, manufacturing and payload integration to help our customers access space and accomplish their missions,” said GA-EMS Vice President Space Systems. Greg Burgess says. “Simulation is a key step in satellite design to maximize risk mitigation. It not only allows us to evaluate spacecraft and component performance in different scenarios prior to launch, but also enables It also serves as an invaluable tool for troubleshooting and resolving any issues that may arise.”

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The General Atomics Electromagnetic Systems (GA-EMS) group is a world leader in the research, design and manufacture of novel electromagnetic and power generation systems. GA-EMS’ history of research, development and innovation has resulted in a portfolio of specialized products and integrated system solutions supporting aviation, space systems and satellites, missile defense, power and energy, defense, and industrial processing and surveillance applications. Expanding. , and commercial customers worldwide. For more information, please visit

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