Tag: telemetry
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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…
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What Does “Y” Mean in Chinese Rocket Designations?
Whenever China launches a rocket, its name often includes the Chinese character “遥” (Yao, Y). Examples include the Long March 2F Y23, Long March 5 Y6, and Zhuque-3 Y2 launch vehicles. So what exactly does “Y” mean, and where did this naming convention come from? “Y” is short for “Yaoce” (遥测, telemetry), and its origins…