| 1. | any of certain devices or attachments for determining distances by measuring the angle subtending a known distance. |
| 2. | Electricity. the complete measuring, transmitting, and receiving apparatus for indicating, recording, or integrating at a distance, by electrical translating means, the value of a quantity. |
| 3. | to transmit (radio signals, data, etc.) automatically and at a distance, as between a ground station and an artificial satellite, space probe, or the like, esp. in order to record information, operate guidance apparatus, etc. |
| 4. | to telemeter radio signals, data, etc. |
Automatic measurement and transmission of data or information by such means as wire or (more commonly today) microwave relays from the source to a distant receiver.
Note: Satellites transmit their data by telemetry.
telemetry te·lem·e·try (tə-lěm'ĭ-trē)
n.
The science and technology of automatic measurement and transmission of data by radio or other means from remote sources to receiving stations for recording and analysis.