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In telecommunications, a long line is a transmission line in a long-distance communications network such as carrier systems, microwave radio relay links, geosynchronous satellite links, underground cables, aerial cables and open wire, and Submarine communications cables.
Tigress with radio collar in Tadoba Andhari National Park, India. GPS animal tracking is a process whereby biologists, scientific researchers, or conservation agencies can remotely observe relatively fine-scale movement or migratory patterns in a free-ranging wild animal using the Global Positioning System (GPS) and optional environmental sensors or automated data-retrieval technologies such ...
Long baseline systems get their name from the fact that the spacing of the baseline transponders is long or similar to the distance between the diver or vehicle and the transponders. [3] That is, the baseline transponders are typically mounted in the corners of an underwater work site within which the vehicle or diver operates.
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.
L-carrier systems were loaded by multiplexing and supermultiplexing single sideband channels, using the long-standard 12 channel voice "group" produced by Type A channel banks, occupying a frequency spectrum between 60 and 108 kHz. This basic "group" was the entire line spectrum on previous long haul carrier systems, such as Types J and K.
The right one of these two brush-tailed rock-wallabies is wearing a radio tracking collar.. Tracking an animal by radio telemetry involves two devices. Telemetry, in general, involves the use of a transmitter that is attached to an animal and sends out a signal in the form of radio waves, just as a radio station does. [3]
Track gauge or rail gauge (also known as track gage in North America [8]) is the distance between the inner sides (gauge sides) of the heads of the two load bearing rails that make up a single railway line. Each country uses different gauges for different types of trains.
Main load line A main load line is a low-stretch aeronautically approved rope used to suspend a load under an aircraft. This line can be of varying lengths or combined segments depending on the needs of the operation. Flight harness A flight harness is used for the carriage of trained personnel (rescuers).
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