Telemetry is the science of using automatic equipment to make scientific measurements and transmit them by radio to a receiving station.
[technical]
telemetry in British English
(tɪˈlɛmɪtrɪ)
noun
1.
the use of radio waves, telephone lines, etc, to transmit the readings of measuring instruments to a device on which the readings can be indicated or recorded
See also radiotelemetry
2.
the measurement of linear distance using a tellurometer