AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
Space programs and missions · A guided course
Power in orbit, experiments on the ground
Explore the Canadian–United States Communications Technology Satellite through radio-power tradeoffs, portable terminals, shared schedules and the evidence needed to assess remote services.
Suggested preparation is listed in the course · Start whenever you’re ready
NASA photograph 75-H-1112, dated December 16, 1975, shows the Communications Technology Satellite before launch, with antennas and an extended solar array. Ground fixtures support the hardware in this view; it is not an on-orbit photograph. The complete NASA source frame is retained.
NASA · Image sourceYour place in the bigger picture
Build on familiar ideas, then choose a direction to explore next. Every course remains open.
From a spacecraft in orbit to a working service
From reflected radio signals to coordinated global networks
Hermes: testing satellite services with real users
Power in orbit, experiments on the ground
Start whenever you’re ready. Preparation is suggested, and every course stays open.
No follow-on course currently lists this one as preparation. Explore another subject or revisit an idea that caught your interest.
Browse all courses →One suggested order from the foundations to Hermes: testing satellite services with real users. Shared starting points appear once; skip anything you already know.
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Each lesson builds on the last. Read the story, explore the sources, and check your understanding.
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