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A telemeter is a physical device used in telemetry. It consists of a sensor, a transmission path, and a display, recording, or control device. Electronic devices are widely used in telemetry and can be wireless or hard-wired, analog or digital. Other technologies are also possible, such as mechanical, hydraulic and optical. [3]
Wildlife radio telemetry is a tool used to track the movement and behavior of animals. This technique uses the transmission of radio signals to locate a transmitter attached to the animal of interest. It is often used to obtain location data on the animal's preferred habitat, home range, and to understand population dynamics. [1]
Telemetry systems can either be attached externally to animals, or placed internally, with the types of transmission for the devices dependent on the environment that the animal moves in. [4] For example, to study the movement of swimming animals signals using radio transmission or ultrasonic transmission are often used but land based or flying ...
A new telemetry system based on GSM (Global System for Mobile Communications) mobile phone technology was first described in 1998 as a technique that provides more detailed mark-recapture data over an extensive geographical range. Organisms are fitted with a mobile phone tag that is programmed to attempt to send a text message back to the ...
Any digital modulation scheme with a continuous phase can be used to impose the information on a carrier signal. The most widely used modulation scheme is continuous phase modulation. [10] When underbalanced drilling is used, mud pulse telemetry can become unusable. This is usually because, in order to reduce the equivalent density of the ...
In 1924, Colonel William Blaire in the U.S. Signal Corps did the first primitive experiments with weather measurements from balloon, making use of the temperature dependence of radio circuits. The first true radiosonde that sent precise encoded telemetry from weather sensors was invented in France by Robert Bureau . Bureau coined the name ...
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