- any of certain devices or attachments for determining distances by measuring the angle subtending a known distance.
- 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
- to obtain and transmit (data) from a distant source, esp from a spacecraft
