pdf document Education and Outreach at NASA's Goddard Space Flight Center

Harry C. Shaw, Sandra Vilevac, Seema Vithlani

NASA's Space Communications and Navigation (SCaN) Program Office maintains a year-round educational program for undergraduate and graduate students.
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pdf document NASA Space Network Project Operations Management: Past, Present and Future for the Tracking and Data Relay Satellite Constellation

Ted Sobchak, Donald Shinners, Harry Shaw

The NASA Space Network (SN) Operations began with the launch of the first Tracking and Data Relay Satellite (TDRS-1) on April 4, 1983 with on-orbit operations conducted from the White Sands Ground Terminal (WSGT) in Las Cruces, New Mexico.
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pdf document Automated Spacecraft Communications Service Demonstration Using NASA's SCaN Testbed

Dale J. Mortensen, Christopher Roberts, Richard C. Reinhart

The traditional paradigm for space mission operations relies on inefficient, highly scripted pre-planned activities between space communications & navigation service providers and user ground mission operations centers.
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pdf document Update on NASA's Laser Communications Relay Demonstration Project

Bernard L. Edwards, David J. Israel

This paper provides an update on NASA's Laser Communications Relay Demonstration Project (LCRD), a joint project between NASA's Goddard Space Flight Center (GSFC), the Jet Propulsion Laboratory, California Institute of Technology (JPL), and the Massachusetts Institute of Technology Lincoln Laboratory (MIT/LL).
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pdf document NASA's Launch Communications Ground Segment for the 21st Century Florida Spaceport

Christopher J. Roberts, David R. McCormick, Robert N. Tye, Eric J. Harris, David L. Carter, John J. Hudiburg, Patricia H. Peskett, Peter B. Celeste, Patricia R. Perrotto

The National Aeronautics and Space Administration (NASA) Near Earth Network (NEN) Project is implementing a new launch communications ground segment to provide services for the next generation of human and robotic space exploration systems.
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pdf document Streamlining Ground Station Network Compatibility Test for Small Satellites

Scott H. Schaire, Steven N. Bundick, Christopher J. Roberts, , Leslie L. Ambrose, Jerry L. Mason, Serhat Altunc, Yen F. Wong, Mark R. Lamberson and Joe Baros Jr., Peter B. Celeste, Patricia R. Perrotto, Mark A. Bollard

A team of eight subject matter experts at NASA Goddard Space Flight Center (GSFC) completed a Lean Six Sigma project to identify process improvements for the compatibility test process for small satellites planning to use the NASA Near Earth Network (NEN).
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pdf document Commissioning of NASA's 3rd Generation Tracking and Data Relay Satellites (TDRS KLM)

Jennifer Donaldson, Gregory Heckler, Cheryl Gramling, Benjamin Ashman, Marco Toral, Christopher Carson, Jeremy Lyon

In the summer of 2017, the third and final spacecraft of the 3rd generation of the Tracking and Data Relay Satellites (TDRS) launched aboard an Atlas V rocket from Complex 41 on the Eastern Test Range. Finishing final testing and integration in the first quarter of 2018, the TDRS-M communication and navigation satellite completes a constellation that began service in the early 1980s.
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pdf document Space Mobile Network (SMN) User Demonstration Satellite (SUDS) for a Practical On-Orbit Demonstration of User Initiated Services (UIS)

Harry C. Shaw, David J. Israel, Christopher J. Roberts, Jacob C. Burke, Jin S. Kang, Jeffery T. King

This paper will discuss the various aspects of implementation of the Space Mobile Network (SMN) architecture framework within the context of operations of various nodes equipped with the User Initiated Services (UIS) protocol.
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pdf document Space Mobile Network Concepts for Missions Beyond Low Earth Orbit

David J. Israel, Christopher J. Roberts, Robert M. Morgenstern, Jay L. Gao, Wallace S. Tai

The Space Mobile Network (SMN) is an architectural framework that will allow for quicker, more efficient and more easily available space communications services, providing user spacecraft with an experience similar to that of terrestrial mobile network users.
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pdf document GPS Operations in High Earth Orbit: Recent Experiences and Future Opportunities

Benjamin W. Ashman, Frank H. Bauer, Joel J.K. Parker, Jennifer E. Donaldson

Over the past two decades, spacecraft in Low Earth Orbit (LEO) have significantly benefited from real-time reception of navigation and timing signals from the Global Positioning System (GPS).
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