telemeter

any of certain devices or attachments for determining distances by measuring the angle subtending a known distance.

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.

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, especially in order to record information, operate guidance apparatus, etc.

to telemeter radio signals, data, etc.

any device for recording or measuring a distant event and transmitting the data to a receiver or observer

any device or apparatus used to measure a distance without directly comparing it with a measuring rod, etc, esp one that depends on the measurement of angles

(tr) to obtain and transmit (data) from a distant source, esp from a spacecraft