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Background High-altitude inhabitants have cardiovascular and respiratory adaptations that are advantageous for high-altitude living, but they may have impaired cognitive function. This study evaluated the influence of altitude of residence on cognitive and psychomotor function upon acute exposure to very high altitude. Findings Ecuadorians (31 residing at 0–1,500 m [LOW], 78 from 1,501–3,000 m [MOD],...
The replacement of coaxial cable with single mode fiber on various airborne platforms has a number of advantages. The use of fiber optic cable, in addition to reducing the size, weight, and cross section of the point to point links, offers greater immunity to electromagnetic interference with less required shielding. Currently, shielded coaxial cable is being used in analog links for transmitting...
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