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The laser pulse can also be reflected by the surface of a satellite without a retroreflector, which is used for tracking space debris. [1] Satellite laser ranging is a proven geodetic technique with significant potential for important contributions to scientific studies of the earth/atmosphere/ocean system. It is the most accurate technique ...
Assuming available laser technology, and considering the divergence of the interferometric signals, the range for satellite-to-satellite communications has been estimated to be approximately 2,000 km (1,200 mi). [83] These estimates are applicable to an array of satellites orbiting the Earth.
Relays may be employed to extend the range for FSO communications. [10] [11] TMEX USA ran two eight-mile links between Laredo, Texas and Nuevo Laredo, Mexico from 1998 [12] to 2002. The links operated at 155 Mbit/s and reliably carried phone calls and internet service. [13] [dubious – discuss] [citation needed]
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LAGEOS (/ l eɪ ʒ iː oʊ s /), Laser Geodynamics Satellite or Laser Geometric Environmental Observation Survey, are a series of two scientific research satellites designed to provide an orbiting laser ranging benchmark for geodynamical studies of the Earth. Each satellite is a high-density passive laser reflector in a very stable medium Earth ...
Fixed-satellite service (FSS) / VSAT and system integration are also provided in some markets, as well as Inmarsat's Ka band mobile service known as Global Express (GX). [3] One of the group's largest projects as of 2022 involves a utility company in Brazil which uses mixed L-band and terrestrial cellular for redundant high availability mobile ...
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OWC can be divided into five categories based on the transmission range: Ultra-short range: chip-to-chip communications in stacked and closely packed multi-chip packages. [9] Short range: wireless body area network (WBAN) and wireless personal area network (WPAN) applications under standard IEEE 802.15.7, underwater communications. [10] [11]
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