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Telemetry is used to obtain data on the internal functioning of missiles, rockets, unmanned planes, satellites, and probes, providing data on such factors as position, altitude, and speed as well as conditions like temperature, air pressure, wind speed, and radiation. Weather forecasters rely on telemetry to map weather patterns. Astronauts on the space shuttle are monitored with telemetry that measures and transmits readings on their blood pressure, respiration, and heart rates. Similar kinds of telemetry are used by biologists to study animals in the wild and keep track of their populations and movements. Telemetry is also widely used in modern agriculture, often to regulate irrigation.
First Known Use of telemetry
TELEMETRY Defined for English Language Learners
Definition of telemetry for English Language Learners
: the process of using special equipment to take measurements of something (such as pressure, speed, or temperature) and send them by radio to another place
Learn More about telemetry
Britannica.com: Encyclopedia article about telemetry
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