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GPS tracking may also be ordered for persons subject to a restraining order. [6] [7] Espionage/surveillance: a tracker on a person or vehicle allows movements to be tracked. Vehicle tracking: some people use GPS Trackers to monitor activity of their own vehicle, especially in the event of a vehicle being used by a friend or family member.
These dual-frequency GPS receivers typically cost US$10,000 or more, but can have positioning errors on the order of one centimetre or less when used in carrier phase differential GPS mode. Survey-grade GNSS receiver industry include a relatively small number of major players who specialize in the design of complex dual-frequency GNSS receivers ...
Geofencing: vehicle tracking systems, person tracking systems, and pet tracking systems use GPS to locate devices that are attached to or carried by a person, vehicle, or pet. The application can provide continuous tracking and send notifications if the target leaves a designated (or "fenced-in") area.
The most popular way to achieve real-time, low-cost signal transmission is to use a radio modem, typically in the UHF Band. In most countries, certain frequencies are allocated specifically for RTK purposes. Most land-survey equipment has a built-in UHF-band radio modem as a standard option. RTK provides accuracy enhancements up to about 20 km ...
Electronic tagging is a form of surveillance that uses an electronic device affixed to a person. In some jurisdictions, an electronic tag fitted above the ankle is used for people as part of their bail or probation conditions. It is also used in healthcare settings and in immigration contexts.
Jul. 8—People suffering from rheumatoid arthritis have few choices for treatments — mainly drugs with potential side effects — but a new device being tested might alleviate symptoms without ...
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