Tag: Orbit Determination
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How Do Engineers Monitor the In-Orbit Status of Satellite Equipment Through Telemetry—and Send Telecommands to Control a Satellite?
A satellite may have flown far beyond visual range, yet subsystem engineers can still see on their screens that a particular unit is at 23.6°C, drawing 1.8 A from the bus and operating on its primary channel. They may even be able to determine that a heater has just switched on. It may look as…