Telemetry is automated collection and communication of data. It has its roots in industrial and science applications that date back to the 1920s with remote collection of data by telephone and radio. In recent years, internet of things approaches to telemetry have dramatically reduced costs resulting in a large number of new applications. The following are illustrative examples of telemetry.
ResearchScientists were early adopters of telemetry as a research technique. For example, researchers have long tagged animals with locators to track their movement patterns and to locate them for study. In the past, such devices were often large and bulky radio transmitters but recently that are typically small GPS units.
InfrastructureLarge scale infrastructure such as pipelines and water systems are typically designed to collect data for management and control functions. For example, a water pump might report water pressure to a management server. Such techniques have been commonplace for more than 50 years.
Mobile AppsA mobile phone may transmit data from a phone's sensors to cloud servers in order to provide services such as health monitoring.
Motorsports Race cars send data such as engine performance metrics to pit crews.
TransportationRail cars may communicate back to a server. This can help to reduce shrinkage. For example, a refrigerator car may communicate temperature readings so that maintenance issues can be quickly addressed.
AgricultureSensors can be used to report agricultural conditions such as soil moisture. This data can be used to control sprinklers and other agricultural systems.
Smart CitiesTelemetry is a common element of smart cities. For example, air quality stations may be distributed at strategic spots to measure particulate matter. This may be used to trigger local restrictions on air polluting power stations and vehicles.
SpaceSpacecraft and space probes relay telemetry from equipment such as engines, navigation systems and sensors.
EnergyIt is common to use telemetry to manage electrical grids and power generation facilities such as wind farms.
MedicineTelemetry has long been used by medical devices such as heart rate monitors.
RetailTelemetry can be used to track retail inventory.
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