General Atomics OTB satellite payload commissioning underway – Satellite News Digest
General Atomics Electromagnetic Systems (GA-EMS) announced that commissioning of NASA’s Deep Space Atomic Clock (DSAC), the primary hosted payload on-board the Orbital Test Bed (OTB) satellite, is now underway. GA-EMS’ OTB was successfully launched on 25 June 2019 on board a SpaceX Falcon Heavy rocket. http://www.sat-nd.com/archive/?id=2019090201